⏱ 4 min read What Is a Photo Sharing Service? A photo sharing service lets users upload, organize, and share photographs with fine-grained access […] Read article

⏱ 4 min read What Is a Media Storage Service? A media storage service is a backend system responsible for ingesting, persisting, organizing, and Read article

⏱ 4 min read What Is a Referral Service? A Referral Service incentivizes existing users to invite new users by rewarding both parties when Read article

⏱ 5 min read What Is an Online Status Service? An online status service exposes a queryable view of whether users are currently active, Read article

⏱ 4 min read What Is a Typing Indicators Service? A typing indicators service detects when a user is actively composing a message and Read article

⏱ 5 min read What Is a Distributed Build System? A distributed build system parallelizes the compilation and linking of large codebases across a Read article

⏱ 5 min read What Is a CI/CD Pipeline? A CI/CD pipeline automates the path from a code commit to a running production deployment. Read article

⏱ 5 min read What Is a Fan-Out Service? A Fan-Out Service takes a single event produced by one source and delivers it to Read article

⏱ 5 min read What Is a Web Scraper Service? A Web Scraper Service fetches raw HTML from target URLs, executes JavaScript if needed, Read article

⏱ 4 min read What Is a Web Crawl Scheduler? A Web Crawl Scheduler manages the frontier of URLs to be fetched, decides the Read article

⏱ 5 min read What Is a Link Analytics Service? A Link Analytics Service tracks every interaction with a shortened URL or QR code Read article

⏱ 5 min read What Is a QR Code Generator Service? A QR Code Generator Service accepts arbitrary data (URLs, vCards, plain text) and Read article

⏱ 5 min read What Is an Ad Delivery Service? The Ad Delivery Service is the final stage in the ad pipeline. Once the Read article

⏱ 4 min read What Is an Ad Auction System? An Ad Auction System determines which advertiser wins a given ad slot and how Read article

⏱ 4 min read What Is an Ad Targeting Service? An Ad Targeting Service is responsible for selecting the most relevant advertisements to show Read article