Google One-Ups Apple's Famed Keynotes With a Live Skydiving Demo of Google Glass

Earlier today at the keynote for its developers conference, Google demonstrated its forthcoming Google Glass technology by having four guys wear the glasses and jump from a blimp, skydiving down to the Moscone Center where the conference was taking place down below, all while broadcasting live to the audience via a Google+ hangout.

Here's the video of the hangout, followed by footage from someone who caught sight of the spectacle from the ground:

And from the ground: