I heard about this on TWiT a couple of weeks ago and I've been telling people about it since then. No one believes that it can be real. Well, it is: Google is investigating a service that serves up broadband wireless by attaching access points to balloons (yes, balloons) and then floating them into the atmosphere where the rise until they pop and then parachute back to earth where lucky finders can redeem them for 50-100 dollars a pop. Sound bizarre? Check out this video reported by Gizmodo....
http://gizmodo.com/358940/google-may-buy-a-balloon-company-to-build-huge-wireless-networks