The Nest contains some sensors (not 100% sure what type, a microphone and some t...

		mbrameld on Jan 13, 2014 \| parent \| context \| favorite \| on: Google to Acquire Nest The Nest contains some sensors (not 100% sure what type, a microphone and some type of motion sensor would be my guess though) used to determine whether you're home or not for their auto-away feature, so they get a little more than just your temperature preferences.

If I remember correctly the device senses when you walk near it.