It makes heavy use of the HTML5 Filesytem for local storage, as well as Native Client for vim, python, and plugin codecs to enable highly configurable realtime a&#x2F;v streaming via WebRTC peer connections. Windowed HTML5&#x2F;JS applications can be developed live within the site itself. There is a feature to stream terminal sessions to each other, in order to show how to efficiently use vim to develop applications, for example.