Riders now can unlock the three-gear, cruising-style bikes from any station, take them for 45-minute rides and return them to any rack.

WSJ: NYC launches bike share program, largest in nation

Well if Protect DVD and other tools like it take off, you may have to dust off that old player and return it to its rightful home in your gear rack.

ENGADGET: Protect DVD-Video prevents discs from playing on your PC