This is a great visualization of how WebRTC actually functions today. Robin shows the message flows in a terminal, the source used, very cool! He also touches on all the bits outside of WebRTC that are needed for a secure, ubiquitous and mobile friendly user experience.
The Q&A at the end of the presentation are worth listening to as well.
The demo code used: https://github.com/openpeer/webrtc-demo
Rolodex for Identities Mgt: https://github.com/openpeer/rolodex
Rolodex Presence – Plug-in: https://github.com/openpeer/rolodex-presence