(!) For more fresh videos please checkout Google Developers Live Israel
ChromeOS in 5min – Lighting talk from JPR12 (March 2012)
Run ChromeOS In VirtualBox
ChromeOS & Web Apps In 5min (25-oct-2011)
and if you wish to develop while you are on ChromeOS check out “Web developers and the new Chromebook”
The State of Chrome, HTML5 and modern web apps
Chrome Web Store
ChromeOS & Chromebooks
This Week In Google On Chrome OS
This one is ‘a bit’ longer then the 5min ones… but full of good topics.
ChromeOS & HTML5 in GTUG Tel Aviv
The talk was in hebrew and covered also the opportunity with Chrome web store and ‘in app payments’
The Keynote – Google Developer Day 2011 in Tel Aviv
Around 40:34min you can see my demos of Chrome cool stuff…
More info about this event
Bleeding Edge HTML5 (in Hebrew!)
All you wish to know about the latest technologies that you can leverage today in Chrome: Media APIs, web intent, offline capabilities and more.
Ido Green 
Can the Pre-rendering function be activated based on usage statistics? or this is pre-defined in the application level?
It’s pre-defined in the page level. However, you could/should set analytic and use it only base on your web app stats.