Article: Simple networks will free many sensors from wires; with a suitable protocol such a ZigBee, sensors that don't have a lot to say or hear needn't consume much energy to keep in touch. Sometimes, an alkaline cell can provide all the power they need for as long as a decade.(ZigBee Alliance)

The folks at the ZigBee Alliance, the industry organization driving ZigBee WPAN (wireless-personal-area-networking) technology, mean it when they say that they've learned valuable lessons from the miscues of the proponents of another such technology: Bluetooth. Bluetooth is now well-established and is here for the long haul--at least in the narrowly targeted market niche of wireless headsets for cellphones and portable entertainment devices. However, its advocates' early misadventures with creeping elegance almost sank the standard while it was still in its formative stages and certainly delayed its widespread deployment. The lesson: In this era of wireless everything, ...

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