as a developer who dealt with zigbee, it sucks. z-wave is great, but not open enough and not IP-friendly. 6lowpan is a logical choice for IT companies, which is

as a developer who dealt with zigbee, it sucks. z-wave is great, but not open enough and not IP-friendly. 6lowpan is a logical choice for IT companies, which is what Thread about here. I hope it becomes more popular over time.