Nest
Used by 4 peoplestore.google.com ↗

“While we're on amazing hardware, I have two Nests at home and one at work.”
Jason Shellen Interview, Product guy, designer · via Uses This 
“I also shouldn't neglect to mention my recently acquired Nest thermostat, which I love.”
Andy Hertzfeld Interview, Developer (Macintosh), software designer (Google+) · via Uses This