At Google I/O, Google made what was no doubt the most elaborate presentation in tech keynote history, when co-founder Sergey Brin interrupted Vic Gundotra’s Google+ presentation to talk about Project Glass, Google’s crazy future glasses.

Brin revealed a team of skydivers getting ready to jump out of a blimp, while wearing the Google glass (it’s really only one glass, as opposed to a pair). But that was really just the beginning.

There’s a good chance you’ve seen clips of it already, or at least read about it. We previously posted screen caps from the presentation, and the rehearsal video. Now, for your viewing pleasure, here’s the entire presentation:

Google is letting U.S. developers that are actually at Google I/O order Project Glass for $1,500.