The 2011 Google I/O Conference has already sold out. The good news is that you will be able to view most of the content online.

Here is the full length 2010 Keynote video. Discover upcoming technologies and the release of HTML5.
Also interesting is Sports Illustrated's used of HTML5 in making their online magazine more interactive.
One thing I hadn't considered before watching this is not only do you have to customize your website for computers and mobile phones, but also tablets! The new Dreamweaver allows you to view your site on all three devices at the same time. Phew!