Microsoft has joined the likes of Google and Mozilla with its release of the WebRTC 1.0 API. The release enables real-time audio, video, chat, and file sharing across platforms and browsers. With the first release, Microsoft is focused on delivering RTC functionality in existing, legacy websites.
Flickr has added more real-time goodness to their photo API. Using a publish / subscribe (PubSub) system, developers can now receive real-time updates across millions of photos across Flickr friends, Flickr Commons, and by tags and geo-location using the Flickr Real-Time API.