• David Gross and Alan Kotok built Expensive Tape Recorder, a digital audio program that ran on MIT's TX-0 computer circa 1960?

Facts on topics related to Digital audio

Compact Disc

• K-Space's third album, Infinity, was a new type of CD that is different every time it is played?

Data storage device

• technology company Dell made its largest acquisition ever when it purchased EqualLogic, a storage device manufacturer, for US$1.4 billion in January 2008?