>For example, WebRTC lets developers integrate real time audio/video/data awesomeness into websites and its readily available in firefox and chrome, but not safari.
And how does WebRTC matters for everyday use at the moment?
I haven't seen anything that is not a tech-demo or similar relying on it.
It would be nice to have it in Safari too (and I use Chrome myself), but it's hardly a deal breaker (or even relevant).