The Welcome HD smart camera by Netatmo uses advanced face-recognition technology to send an alert to a user's smartphone when it detects an unfamiliar (and perhaps unwelcome) visitor. Photo 9 of 9 in Brewing Coffee From Bed, and Other Reasons Americans Want Smart Homes by Luke Hopping

Brewing Coffee From Bed, and Other Reasons Americans Want Smart Homes

9 of 9

The Welcome HD smart camera by Netatmo uses advanced face-recognition technology to send an alert to a user's smartphone when it detects an unfamiliar (and perhaps unwelcome) visitor.