So if you pop in a DVD "infected" with Protect DVD-Video, it can't be read by Windows Media Player, Media Center Edition, or any DirectShow-based software, thanks to a Universal Disc Format that tricks your machine into believing that the IFO file is zero bytes long.

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

Until recently the only equipment for spotting a suitcase bomb was an unwieldy machine the size of a refrigerator, using liquid nitrogen to cool crystal detectors down to 300 degrees below zero and taking hours to produce a reading.

FORBES: Stopping Porta-Nukes

Let your smart card and the pop machine duke it out. n Only the best of breed will cut it in the age of infinite and zero.

FORBES: Digital rules

Until recently the only equipment for spotting a suitcase bomb was an unwieldy machine the size of a refrigerator that used liquid nitrogen to cool crystal detectors down to 184 degrees Celsius below zero and took hours to produce a reading.

FORBES: Stopping porta-nukes