Input in pine script jobs

...Requirements: - Input Data: The input data is in JSON format. - Output Data: The JSON output should be properly formatted and adhere to a specific schema or structure. Skills and Experience Required: - Proficiency in Python programming. - Strong understanding of JSON parsing and formatting. - Experience in adhering to specific JSON schemas or structures. Please let me know your experience in similar projects and any relevant information that would make you a strong candidate for this job. You will pass the name of the input file as an argument and the output file should be the same file name with the .output extension. The input file is attached. Pay attention to the backslashes ("") that make it non-compliant. Al...

I need a skilled PHP developer to fix an issue with a script I have. The script is not displaying the data correctly in the reports or exports. Currently, the data is being incorrectly displayed in SVG format. Ideal Skills & Experience: - Strong PHP development experience - Proficiency in working with data exports - Familiarity with SVG format - Troubleshooting skills to identify the root cause of the data display issue.

I am in need of a talented Hindi scriptwriter to work on a long-term basis, generating scripts for educational online videos. The ideal candidate should be passionate about creating engaging and informative content. Key Requirements: - Writing online video scripts: I require at least 60 minutes worth of script each day. - Genre: The content will be educational, so a strong grasp of the Hindi language is essential, as is the ability to make complex topics accessible to a wide audience. Ideal Skills and Experience: - Proven experience in scriptwriting, particularly for online videos. - Strong understanding of the nuances of the Hindi language. - Background in creating educational content is a plus, but not mandatory. - Ability to meet daily script output ...

...professional in the field of digital marketing to help me boost my product sales through Google PPC and SEO optimization. Key Requirements: - Prior experience with Google PPC campaigns and SEO optimization. - Proven track record of boosting product sales through digital marketing efforts. - Ability to suggest and target specific keywords and phrases to improve our online presence. Your responsibilities will include: - Creating and managing PPC campaigns on Google to attract potential customers. - Implementing SEO strategies to increase organic traffic. - Analyzing data and providing reports on the effectiveness of these campaigns. I already have some ideas for keywords and phrases that we could target, but I'm looking for someone with the expertise to refine and expand o...

Python Script Developer for Photoshop Automation & WordPress/WooCommerce Integration We are seeking a freelance Python developer to create a script that automates Photoshop tasks and integrates with WordPress/WooCommerce for product customization. The script will: Develop a Python script to automate Photoshop operations. Integrate the script with WordPress/WooCommerce to retrieve order details. Automatically open Photoshop and modify PSD files based on customer orders. Update text layers with customer input and save customized templates as JPG/PDF.

I'm seeking a skilled PCB circuit designer to create a digital circuit f. The primary function of the circuit is PWM Motor Speed Control Key requirements: Input supply voltage: DC 2.5V-25V The maximum output power: 350W The maximum continuous output current :15A The overload and short circuit protecting current is 25A PWM frequency: 25-30kHz Duty Cycle adjustable: 0-100% The operation environment temperature:-20℃-40℃ Ideal freelancer would have: - Proven experience in digital PCB circuit design - Strong knowledge of signal amplification principles - Familiarity with radio technology and its requirements - Ability to optimize circuits for low gain

...axes with a LIMITED RANGE. Your expertise in designing systems with the necessary navigation strategies and motion control algorithms will be required. - Providing real-time position feedback to the user. Your extensive understanding of feedback mechanisms particular to these types of systems is a must. Ideal expertise for the job includes: - Comprehensive knowledge in machine systems control and design. - A thorough understanding of motion control strategies. - A background in data analysis and logs processing. The machine is a Bandsaw to cut small logs into planks. The 2-off, NEMA 23 stepper motor movements are sequential, ie, first one moves then the second stepper moves. The controller is a Raspberry Pi 4, the prefered language is Python. Input to ...

I am looking for an experienced Shopify developer to create an on...experienced Shopify developer to create an online store for my existing brand of coffee products. Key Requirements: - The platform should be designed to cater to a US-based audience. - The store will feature a smooth checkout process, with secure payment gateways. - I'm open to creative design input that suits a specialty coffee brand. - As part of the project, I'll need guidance on integrating my inventory and setting up product pages effectively. Ideal Skills for this Project Include: - Proficiency in Shopify web development - Experience with e-commerce strategy and design - Ability to integrate inventory management systems - Strong communication skills to share ideas and collaborate on the sto...

...• Experience creating pitch decks specifically targeted at venture capitalists Your task is to transform the information I provide about my company into a clear and compelling visual narrative that will engage venture capitalists and help secure funding. Your input on the content is most welcome and expected; this is a collaborative project. Please, only bid if you have relevant experience and can show examples of previous pitch deck designs or similar works. Your portfolio will greatly influence the selection process. Thanks in advance!...

I'm looking for a professional who can convert my Amibroker AFL script into a TradingView Pine Script. The converted script should be able to generate buy/sell signals and provide backtesting capability. The ideal candidate should have experience in: - Amibroker AFL and TradingView Pine Script languages - Developing buy/sell signals - Implementing backtesting functionality Moreover, my trading strategy is based on breakout patterns. The converted script should reflect this strategy and incorporate the following indicators: - Moving Averages - Relative Strength Index (RSI) - Supertrend I'm looking for a freelancer who can deliver a polished and fully functional script that mirrors the performance of the original AF...

I'm on the lookout for an experienced video editor with superior skills in advanced editing techniques including color correction, special effects, and audio enhancement. The project comprises editing a video of a duration exceeding 10 minutes. Skills Required: - Expertise in advanced video editing techniques - Proficiency in color correction - Special effects implementation - Audio enhancement abilities Please note, a storyboard or script isn't provided, allowing you full creative control to bring the footage to life. Applications from individuals with a knack for creativity are particularly welcomed. Your portfolio demonstrating your past work would be advantageous during the selection process.

I'm looking for a skilled video editor who can create a dynamic and engaging highlight reel, targeting the performa...and engaging highlight reel, targeting the performance of a specific baseball player. This project requires: - Expert level experience in creating sports related video content. - Proficiency in video editing software (Adobe Premiere Pro, Final Cut Pro). - Knowledge of the game of baseball to understand the important aspects of player's performance. - Ability to select key moments from the footage that highlight the player's skill. - Creativity to deliver a tight, fast-paced reel capturing the player's best moments. - Communicative and responsive to input and feedback. Please provide examples of your prior work in re...

I'm actively seeking virtual assistants proficient in using advanced software tools, including cloud storage and project management software. Essential tasks that need to be managed are: - Data entry: Accurate and efficient data input is required, particularly into project management software. - Email and calendar management: Duties include organizing my inbox, prioritizing emails, and managing my schedule. I anticipate requiring support for more than 20 hours a week. As such, freelancers should be available to commit to a significant amount of time. Ideal candidates will have a proven track record in similar roles and excellent references.

...this project is to display maps with markers. The map markers require custom icons that correspond to different locations. Key Requirements: - Angular Experience: You must be proficient in Angular to successfully integrate the Leaflet maps into the existing application. - Proficiency: You should have a solid understanding of and how to work with it within an Angular environment. - Map Marker Customization: Experience in customizing map markers in and Angular is crucial for this project. - Real-time Data Handling: The map data should be updated in real-time based on user input. Experience with real-time data handling is a plus. It's important that you're able to deliver high-quality, efficient and maintainable code. Please include exampl...

...axes with a LIMITED RANGE. Your expertise in designing systems with the necessary navigation strategies and motion control algorithms will be required. - Providing real-time position feedback to the user. Your extensive understanding of feedback mechanisms particular to these types of systems is a must. Ideal expertise for the job includes: - Comprehensive knowledge in machine systems control and design. - A thorough understanding of motion control strategies. - A background in data analysis and logs processing. The machine is a Bandsaw to cut small logs into planks. The 2-off, NEMA 23 stepper motor movements are sequential, ie, first one moves then the second stepper moves. The controller is a Raspberry Pi 4, the prefered language is Python. Input to ...

I'm in need of a skilled developer who can create a chatbot SaaS platform. The primary purpose of this platform is to enhance customer service on business and educational websites. In order to effectively address this requirement, the chatbot should be AI-powered. Key Requirements: - Development of a customizable chatbot SaaS platform: The chatbot needs to be easily adaptable and integrable for both educational institutions and businesses. - AI-powered Chatbot: The chatbot should be equipped with AI capabilities to facilitate efficient and effective customer service. - Integration Capabilities: The chatbot should seamlessly integrate with CRM software for customer management and live chat support. Ideal Skills: - Proficiency in chatbot development, particularly ...

I need a bash script that can import and export data from my database to CSV files. Ideal candidate should be able to: - Create a bash script that can effectively import and export data - Have experience working with database management systems such as MySQL, PostgreSQL, or MongoDB - Ensure that the script securely creates user accounts and manages their access to the database. The script will be used for daily database management tasks, so it needs to be reliable, secure, and efficient.

I'm seeking an exam invigilator with at least a Bachelor's degree to administer an on-site exam in Nottingham, UK. This is a one-time gig with the potential for future opportunities. We provide test administration and accommodation solutions to test-takers nationwide. For this purpose, we look for professionals who we contact on an "as-needed" basis to see if they are available to assist test takers for their approved accommodations. We provide complete training and assignments pay hourly for the entire scheduled time, even if the exam ends early. We have a computer exam coming up where a test taker has been approved for a Reader and input assistance. For this assignment, you are required to be present on-site, sit with the test taker, and read the exam ...

Fix pine script code send alert to telegram group too many signals with to dirction i need it to send once per entry only until the next signal came the code already wrote the message already wrote need to fix the issue only Pine script i dont need any1 full staked and dont know what i need i need it asap if more question what u dont understand will not accept the project its small fix dont request high the pinecoder know that ?? type 2233 if u read this

I'm looking for a machine learning expert who can assist with 3D skeleton extraction and rigging, based on initial performance. Key Requirements: - Experience with 3D skel...looking for a machine learning expert who can assist with 3D skeleton extraction and rigging, based on initial performance. Key Requirements: - Experience with 3D skeleton extraction and rigging - Strong background in machine learning Your main task will be to develop and refine machine learning models that can accurately extract and rig 3D skeletons, ensuring that the models are optimized for performance. Your input on how to enhance the performance of existing models will be highly valuable. Please apply if you have a proven track record in machine learning with experience in...

I'm seeking a skilled web developer to update my current PHP website admin interface to utilize the Bootstrap 4 admin theme. The primary purpose of this admin section is to manage content, so I'm particularly interested in revamping the forms and input fields. Key requirements include: - Update of the existing admin interface to Bootstrap 4 admin theme - Focus on enhancing the forms and input fields - Implementation of data validation within the forms The ideal candidate for this project should have: - Proficient in PHP and Bootstrap - Prior experience in revamping website admin interfaces - Strong understanding of data validation techniques - A good eye for user-friendly design Your task will be to seamlessly integrate the Bootstrap 4 admin ...

I am in immediate need of a digital marketing expert, who can take the helm of our brand's Social Media Management, execute effective SEO strategies and contribute to Content Creation. Scope of the project: - Collaborative management of our brand's Instagram profile, ensuring we effectively reach both men and women aged 18-45. - Planning and performing of SEO strategies to improve our online visibility. - Creative input and production of compelling content to engage our target audience. The ideal candidate will have a proven track record in successfully managing social media, particularly Instagram, as well as demonstrable results in SEO. Experience within the fashion industry is a bonus.

I want a strategy for tradingview that it opens the orders manually or crossing emas, we input a range for the stop loss and take profit using % or $ and when it reachs the SL it opens a new order using the same range and different direction, if it is long, turn in to a short but with the value increase by a pre set multiplier (one for the SL ad one for the TP) and also add a possibility to multiples TP We also need to pre set a limit of times that the reversion happens and also add a option tralling stop loss. Can you make it?

I'm in need of a competent web developer to craft a straightforward website for my courier business. The site will be primarily focused on providing clients with package tracking information. Key Website Pages: - Home Page: This will feature my company's logo, name, and contact information. - Tracking Page: This is where clients can input their tracking number to see the current status of their package. It should also display an estimated delivery date. The ideal freelancer for this project should have experience in web development and a strong understanding of user experience design. A good communication skill is also preferred, as I'd like to be updated regularly on the project's progress.

I'm in search of a professional to create monthly sales reports in Excel. We need to create several tables starting from the attached files starting from input file 1 1- In input file 1 you need to filter the data in column B and take into consideration only "Order payment" and "Refund". 2- Filter the rows of input file 2 (attached), column D "Product Details" so that the different product details appear only once and report them in the VAT output file so as to have only 2 Product Name columns (in which the "product details of input file column 2" are listed. (example VAT file attached) 3- The app must check that all the lines present in column D "Product details...

**About the Role** We are currently seeking a highly skilled Front-End Developer with a strong focus in React(using Typescript) and a minimum of 12+ months of experience in creating web applications. You will be responsible for the development, design, and implementation of our new website's front-end aspects. This is a **6-month contract** position with a competitive hourly rate. **Key Responsibilities** - Developing new user-facing features using React.js and Typescript - Building reusable components and front-end libraries for future use - Familiarity with RESTful APIs and integrating front-end with back-end services. - Optimizing components for maximum performance across a vast array of web-capable devices and browsers - Implementing an intuitive user interface -...

...responsive across various devices. Key requirements: - User Authentication: The website should allow users to create accounts and log in securely. This is important to keep the content secure. - Real-Time Updates: I want the website to have a dynamic feel, with the ability to update content in real-time without needing a page reload. - Responsive Design: The website should be functional and visually appealing across devices and screen sizes. Please note that I do not have a design or wireframe in place. I am open to your creative input in this aspect and looking for a developer with a good eye for design. Ideal skills for this project include: - Proficiency in React and its ecosystem - Experience with user authentication and authorization - K...

I'm ...on: - Implementing text input fields and dropdown menus: These are crucial elements for user interaction and data input. Your job would be to make them look and function as required. - Basic database functions: While the exact nature of these is yet to be decided, they will likely include retrieving and adding data. Your task will be to integrate these functions seamlessly into the site. Ideal skills for this project would include: - Proficiency in HTML, CSS, and JavaScript, with experience in creating user-friendly and responsive UIs. - Familiarity with basic database manipulation. - Good communication skills, as we'll need to discuss the project in detail. If you have experience with these technologies and can deliver quality work eff...

I am seeking a proficient Pine Script specialist with a proven track record in creating high-accuracy indicators for TradingView. The goal is to produce an indicator that can deliver buy and sell signals with exceptional precision, particularly when applied to short timeframes ranging from 1 to 5 minutes. Key Requirements: - Development of a Pine Script Indicator: The main task is to design an indicator that generates both buy and sell signals. The accuracy of these signals is crucial, and they should be specifically tailored for the 1-5 mins timeframe. - Incorporation of Multiple Trading Indicators: While I do not have a specific strategy in mind, the ideal candidate should be well-versed in using a variety of indicators to create a robust...

I need someone to enter 500 purchase invoices into an Excel spreadsheet. I will provide a template for the format. The invoices will be sent to you as digital files through a cloud service, which you'll use to input the basic details like date, vendor, and amount. Ideal Skills and Experience: - Proficiency in Excel for accurate data entry - Experience in processing financial documents - Attention to detail to ensure data accuracy - Ability to handle sensitive financial information with confidentiality - Familiarity with using cloud services for file management Please let me know your experience with similar projects and how you plan to ensure the quality and efficiency of the data entry process.

I'm changing the requirements if that will help. My Quasar Application n...( this.Claude_question ); = ; } catch (error) { this.Claude_answer(error); ("Error sending message:", error); } }, And make the call without getting a cors message. It needs to be a Quasar app and not a node.js app. Make a page that has an Question and an answer input. Add a button that calls the function I provided. If you have better code you can use that. Hopefully you have done this before and have an API account at Anthropic. I don't want your API key and I will add $5.00 for you to get one. I'm just looking for code to a good connection.

I'm looking for a data entry specialist to extract text data from scanned documents and input it into a database. Key Requirements: - Data Entry: Your primary task will be to accurately transfer text data from scanned documents into a digital database. - Attention to Detail: Precision and accuracy are essential to ensure the database is error-free. - Timeliness: The task should be done in a timely manner to keep the project on track. Ideal Skills: - Proficiency in English: Since the data is in text format, a strong command of English is necessary. - Data Entry Experience: Previous experience in data entry is a plus. - Familiarity with Database Management: Basic knowledge of database operations is a bonus. Looking forward to your bids.

I'm looking for a professional 3D illustra...The purpose of these illustrations will be to serve as the visual representation of the brand, so it's important that they are captivating and engaging. Key Requirements: - The ability to create character animations, product visualizations, and architectural renderings - Experience in logo design and understanding of brand representation - A strong portfolio showcasing a range of diverse 3D and animated illustrations In terms of the logo design, I'm open to suggestions and would appreciate any creative input you may have. Ideal Skills: - 3D Animation - Character Design - Logo Design - Product Visualization - Architecture Rendering I'm looking forward to seeing your proposals and how you can bring m...

I'm looking for a skilled software developer to create a Windows-compatible software application. This software...incentives. Key Requirements: - Compatibility: The software should be compatible with Windows. - Integration: There's no need for the software to be integrated with any existing systems, so you can focus solely on creating the best software for our sales team. - Data Input: The software should have the capability to import data from Excel/CSV files. This method will facilitate the input of sales data and make the software more user-friendly for our team. Ideal Skills and Experience: - Proficient in Windows software development. - Experience in creating software for sales teams or incentive calculation. - Familiarity with Excel/CSV data im...

I'm looking for a data entry specialist to extract text data from scanned documents and input it into a database. Key Requirements: - Data Entry: Your primary task will be to accurately transfer text data from scanned documents into a digital database. - Attention to Detail: Precision and accuracy are essential to ensure the database is error-free. - Timeliness: The task should be done in a timely manner to keep the project on track. Ideal Skills: - Proficiency in English: Since the data is in text format, a strong command of English is necessary. - Data Entry Experience: Previous experience in data entry is a plus. - Familiarity with Database Management: Basic knowledge of database operations is a bonus. Looking forward to your bids.

Looking for help in modifying an existing python script and related sql database table The current script - (1) scrapes company financial data from website and populates database (2) scrapes news related to keywords from google news (3)sentiment classification of news items (4)pushes data to sql database The company names and keywords are currently hardcoded in the script Requirement- (1) Company names/urls/keywords (will be provided) to be put in master table in the database (2) The script to loop through and scrape the relevant data and put in database

I'm in need of a skilled 3D designer who can take my concept and transform it into an interactive prototype of an electronic device. Key requirements include: - Knowledge in industrial design, particularly in electronics - Expertise in creating 3D prototypes - Ability to align with my vision and provide creative input for design improvement From the outset, I'm relying on the designer's technical and creative abilities as I'll be providing the basic concept without a detailed sketch. In addition to creating a detailed and realistic 3D model of the electronic device, I would love your inputs on functionality and aesthetics. If you're keen on bringing innovative products to life and possess the mentioned skills, I'...

i have script .js i want convert it to powershell .ps1

...vehicle. Key requirements: - The data provided is in Excel format. - The final map should be a static image file. The main task of this project is to: - Visualize the route taken by a vehicle based on GPS coordinates. - Timestamps are crucial and should be displayed in a clear, understandable manner. - Since I want to see the exact route taken, the map should display addresses corresponding to the GPS coordinates. Although the main focus of the project is plotting the coordinates and timestamps, other features such as: - Distance between points. - Speed of the vehicle. - Estimated time of arrival (ETA) for stops. This project requires someone with: - Experience with GPS mapping and data visualization. - Proficiency in Excel for handling the input data. -...

I need a script for NinjaTrader 8 that automatically marks a "untested" 60-minute high/low with a labeled line. This line should disappear once the level is tested by price touching it. I will send a video to those interested to show what I am referring to. The script should: - Automatically mark a 60-minute high/low with a labeled line. -The 60 minute high/low will show on ANY timeframe chart. For example, if I'm looking at a 60 minute chart and 5 minute chart side by side, and both have the new indicator on them, the 60 minute lines should be the same on both charts. I will be adding this indicator to many charts and the timeframes will all be different, but they should all pull their lines from the untested 60 minute high/low. - Make the label &qu...

I'm seeking an experienced developer to create a desktop face recognition script. The script should be designed for personal use and should function as follows: - Verify Identity Using Facial Features: I need the script to accurately identify the face through the camera and ensure that the right person is in front of it. This is a crucial functionality for the script. - Desktop Application: The face recognition script should be developed as a desktop application. It should be user-friendly and easily accessible on Windows. I'm looking for a freelancer who has experience in creating face recognition scripts. Proper understanding of machine learning, computer vision, and security protocols will be a plus. Your proposal should incl...

I am cons...numbers. Although it includes an IMEI/Serial number feature, it only allows you to add the serial number at the point of sale. However, I need to input the serial numbers when updating the stock. For instance, if I purchase 5 units of the GoPro 12 model, I want to update my inventory by entering the serial number for each of the 5 units. This way, I can track which specific serial numbers are currently in stock. Additionally, I need the capability to search for products by their serial number when making a sale. The ideal candidate should have prior experience in customizing POS software, particularly in adding new fields, and should be proficient in inventory and supplier management system customization. Excellent communication and problem-...

...images for our online listings on platforms like Amazon and eBay. Assist in branding projects to enhance our company's visual identity. Work with provided files and access resources to fulfill daily orders. Input information from spreadsheets into AI templates, adjust text, and save the files as needed. Requirements: Proficient in Adobe Illustrator with a strong understanding of the software. Experience in creating product images and listings for Amazon and eBay marketplaces. Excellent attention to detail and ability to follow instructions precisely. Ability to work full-time and be available for immediate start. Strong communication skills and ability to work as part of a team. Preferred Qualifications: Previous experience in a similar role wit...

I require the expertise of a professional website designer to create my new website. Key Details: - The website will consist of 5-10 pages. - All the content required is already prepared and will be provided. Ideal Skills: - A proven track record in designing user friendly, professional websites. The successful candidate will be creative, time efficient and have a keen eye for detail. Your input on website functionality and design aesthetics will be mandatory for this project.

...WebGoat running in AWS that is internet facing. To be successful the deployment must be: * Entirely automated using CloudFormation and bash scripts. * The landing page must be a public page protected with a username/password authentication block, this should rely upon CloudFront to perform authentication. The username and password should be configurable in the CloudFormation template. The landing page can be simple HTML that displays the username input, password input and login button. * A user friendly domain name should be configured via Route53 that is configurable in CloudFormation. The domain name can be provided if required. Obviously a AWS TLS1.3 PKI certificate is also required. * Behind the landing page is WebGoat running as Docker container...

...Compatibility: The emulator should work exclusively on Windows systems. Emulation Focus: Aimed at simulating keyboard inputs for gaming applications. Ideal Skills and Experience: Proficient in Windows application development. Expert in low-level programming, specifically in system-level assembly language. Knowledgeable in gaming input emulation and keyboard input simulation. Experience in backend applications is beneficial. Project Specifics: The emulator must not breach game firewall securities or require unauthorized system modifications such as disabling driver signature enforcement. It should operate successfully in the game, similar to devices like Arduino Leonardo or ESP32. The goal is to simulate pressing the Z1 keys solel...

I'm looking to have a new website created. The key task involved in this is harvesting photos and data from Website A, and using this to create our site. The following details outline the project requirements: - Downloading photos and data from Website A. - Upload these photos and data to the corresponding sections on our website. The new site should mirror the content placement of Website A. Ideal skills for this job include website creation, data extraction, and efficient data input methods. Experience with content migration is highly desirable. Deadline for completion is within a month from the project start date. All data need to be updated each day

I need an English scriptwriter to create a 10...need an English scriptwriter to create a 10-15 minute play script. I am looking for a skilled and experienced scriptwriter who can create an engaging 10-15 minute English play script. The scriptwriter needs to have a good understanding of radio playwriting and be able to develop a compelling narrative that will keep listeners hooked. The play should be well-structured, entertaining, and suitable for a radio audience. Key requirements include: - Previous experience in scriptwriting for radio, theatre or similar platforms - Strong storytelling skills - Ability to write in English fluently I am looking forward to receiving creative and high-quality submissions from talented scriptwriters. Please include samples of ...

I need a virtual assistant for a daily one-hour task to input visitor information into a Google Sheet. Key Requirements: - Attention to Detail: It's important that all information is entered accurately and completely. - Manually need to collect data from various source Ideal Candidate: If you are a detail-oriented individual with prior data entry experience and can commit to a daily one-hour task, I'd like to hear from you.

I'm in need of an experienced Shopify designer to create a robust e-commerce portal for my business. The website's primary purpose will be to facilitate online sales for various types of gadgets. Key responsibilities include: - Design an intuitive, user-friendly Shopify store. - Input and organise 50-100 product listings. - Optimisation for conversions. The ideal candidate will have: - Solid experience in Shopify store design and setup. - A good understanding of e-commerce best practices. - Familiarity with gadgets and similar niche products. The end result should be a seamless shopping experience that encourages sales and user return.