“Rival technologies that baffle consumers will run more companies out of business in the nascent music download market than will head-to-head competition, one of the lead creators of MP3 playback technology warned Wednesday… Consumers nowadays can store thousands of songs in a pocket-sized device, play music and videos on their mobile phones and buy albums at the click of a button. But to their chagrin, a bewildering array of competing playback compression technologies and anti-piracy software options determines which songs play on which devices.”