"There's been a lot of brouhaha about Leopard, but the most exciting thing about Apple's latest OS upgrade hasn't even arrived yet — a wave of third-party applications that make use of new technologies under the operating system's hood.
Core Animation could prove particularly revolutionary. A powerful programmers' toolkit embedded in Leopard, Core Animation makes it easy to create flashy, animated 3-D interfaces. While some observers dismiss such things as pure eye candy — mere special effects to make the UI pretty — others have said they may herald the most significant advance in computer interfaces since the original Mac shipped 30 years ago."