MobileMe
MobileMe is the Internet service from Apple that keeps your email, contacts, and calendar up to date across your iPhone, iPod touch, Mac, and PC.
Time Capsule
Back up a lifetime's worth of memories with the all-new Time Capsule, a wireless hard drive that works seamlessly with Time Machine in Mac OS X Leopard. It's also a full-featured 802.11n Wi-Fi base station. Choose from 500GB and 1TB models