The potential of wireless sensor networks has caught the eye of most of the giants recently, with Intel and IBM in particular predicting a world where every person, gadget and home appliance is connected by tiny, low power radios. With Harbor Research predicting revenues of over $1bn from this market by 2010, a host of start-ups is coming out of the shadows alongside the high profile projects such as Intel’s digital home and ‘smart clothing’ demonstrations, and research work at universities such as Carnegie Mellon and MIT, and at the US Department of Defense and CIA (see Wireless Watch issue 60). . Interesting small players include Ember, which focuses on meshes of small sensors based on the ZigBee standard; Millennial…