A trade show in which IT professionals have convened twice yearly for the past 20 years to unveil new products, announce burgeoning technology trends, and schmooze with other geeks from around the world. Since the trade shows' humble beginnings in 1980, Comdex has grown into the computer industry's premiere US event.

One of the larger technology trade shows that brings together more than 2,100 vendors and 200,000 attendees. 16.14

COMDEX (Computer Dealer's Exhibition) was a computer expo held in Las Vegas, Nevada, each November from 1979 to 2003. It was one of the largest computer trade shows in the world, usually second only to the German Ce BIT, and by many accounts one of the largest trade shows in any industry sector. The first COMDEX was held in 1979 at the MGM Grand, with 150 exhibitors and 4000 attendees.