You won't find this on its official specs list, but Google's Nexus 7 tablet apparently has a magnet-enabled sensor that'll automatically set the display to sleep -- it's hard not to think of the iPad's Smart Cover. YouTube user wwscoggin was able to discover and pin-point the functionality near the bottom left of the device by gliding a magnet along its bezel. As Android Police notes, this appears to be the only Android tablet with such a feature, yet there's no word on whether ASUS'
