Coolest. Bike. Ever. A guy named Joshua Kinberg has put together the coolest bike ever: it sprays chalk words on the sidewalk behind you as you ride. It’s controlled by a PowerBook with a roaming wireless network, so people can send in messages as the bike is moving! Check out this video footage. He’s planning to ride it through New York during the Republican National Convention spraying anti-Bush slogans as part of the Bikes Against Bush protest.

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