As we reported last week, there's been a lot happening lately with our old friend WebRTC. Well... here's another first: WebRTC screensharing. Here's a screencast: youtube.com/watch?v=tD0QtBUZsF4 And here's the code: github.com/samdutton/rtcshare In essence, we've built an experimental Chrome extension that uses RTCPeerConnection and chrome.tabCapture to share a live 'video' of a browser tab. If yo