Day 1 of Google I/O featured all the “cool” announcements, with the introduction of Android 4.1 Jellybean, the Google Nexus 7 tablet, and the Nexus Q. The long keynote ended with a live demo of Google Glasses, which included skydivers jumping of a blimp. So, how do you top that? By showing a behind-the-scenes look at
Source:
Day 2 keynote from Google I/O available online