Apple CEO Steve Jobs today unveiled a new, smaller MacBook at Macworld Conference & Expo during his keynote speech called the MacBook Air. The world's thinnest notebook, according to Jobs, weighs just 3-pounds, is 0.8-1.2-inches thin, and features a 13.3-inch LED-backlit widescreen display. The MacBook Air features a 1.2GHz Intel Core 2 Duo process
