Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.
Fly is a platform for running full stack apps and databases.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.
Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.