Does anyone here know how many ZigBee chips/modules/products have been shipped worldwide in 2009? Thanks in advance for answering!

I recently got an XBee Pro Series 2.5 and another XBee Series 2.5 as listed here: http://www.littlebirdelectronics.com/products/XBee-2mW-Series-2.5-Chip-Antenna.html http://www.l …

Hello All, i want to start a home automation project, so finally i choose zigbee as the communication system between the devices. I need something easy to start, so, what do you r …