On-Demand Replay of Java EE 7 Launch Webinar is already available. You can watch the entire Strategy and Technical Keynote there, and all other Technical Breakout sessions as well.
As stated previously, we are releasing the next set of Technical Breakout sessions on GlassFishVideos YouTube channel as well. In this series, the next three videos are released. Here's the WebSocket session:
Enjoy watching them over the next few days before we release the next set of videos!
And don't forget to download Java EE 7 SDK and try numerous bundled samples.