DARPA Network Challenge: Win $40,000 by Finding 10 Red Weather Balloons

To celebrate the Web's 40th anniversary, DARPA wants to explore social networking's role in time-critical communication. It's offering $40,000 in hard cash to the first entrant who finds ten 8-foot weather balloons located at fixed locations around the U.S. » 10/30/09 9:11am 10/30/09 9:11am