DVD, CD, PDA, HDTV, PVRโthey are the ultimate in โgotta have itโ gadgets and gizmos and โto die forโ technology that populate a digital world of acronyms. We trace digital technology back to the early 1940s and the first high-speed electronic computer used to calculate cannon trajectory charts for new artillery in WWII, and look at the rapidly approaching future in places such as MITโs Media Lab, where tomorrowโs technologies are being developed today.