Google I/O took place last week, as you may know, but it sold out quickly, and many developers were unable to attend. That doesn't mean you can't learn a lot from the event, however. If you're a Chrome developer, you may want to check out these Chrome sessions that you missed, as Google has uploaded them for your viewing pleasure.
This one is specifically about turning your web app into a Chrome app:
This one is about the next evolution of Chrome apps:
This one is about the evolution of Chrome Developer Tools:
Google says Chrome's extension system offers developers more opportunities than ever. This video takes a look at what's next:
Finally, here are some interviews from the Chrome Sandbox: