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Skydiver looks out over the city
Google posted a video of the stunt online, showing the live feed of the skydivers in the blimp as they prepared to descend on the Moscone convention centre. Note the feeds from each of the skydivers at the bottom of the screen.
"You've seen demos that were slick and robust. This will be nothing like that," Brin told the crowd at Google I/O. "This could go wrong in about 500 different ways."
He explained to ZDNet UK's sister site CNET News some of the technical challenges involved, included the fact the 3G cuts out over 1,000 feet, making transmission of images somewhat difficult.
Image credit: Google