Motorola on Tuesday announced the launch of the first ever USB adapter for notebook computers that allows access to the WiMAX 4G wireless broadband data network. Called USBw 100, the thumb-drive sized device can be had in the three versions for use around the world, including with the 2.3GHz, 2.5GHz and 3.5GHz bands. The adapter will give users access to the Internet at speeds traditionally reserv