NEW MACS: Apple Inc. unveiled new MacBook Air ultralight laptops in two sizes. The larger has a screen that measures 13.3 inches diagonally and weighs 2.9 pounds. The smaller is 11.6 inches and 2.3 pounds. Both have flash memory only, and longer battery life thanks in part to low-voltage processors. Price: $999-$1,599.
NEW SYSTEM: Mac OS X Lion borrows some features from the iPhone, including swiping between screens. Available next summer, price unknown. Apple is also adding FaceTime video chatting to the Mac, available now on its website.
NEW SOFTWARE: A new version of iLife, for managing photos, editing video and other tasks, is out. It will come installed on new Macs or costs $49 to upgrade existing ones.