Apple unveiled "AirPort Express", an 802.11g mobile base station that can be plugged directly into the wall for wireless Internet connections and USB printing wherever there are broadband connections. It also features analog and digital audio outputs that can be connected to a stereo and AirTunes music networking software, which works with Apple's iTunes to wirelessly stream music on a Mac or PC to any room in the house. The AirTunes music networking technology automatically detects remote speakers and creates encodes streams to protect it from...