Fly is a platform for running full stack apps and databases.
Phoenix LiveView is a library that brings live, interactive, real-time user experiences to your Phoenix applications.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.