Our increasingly connected lives are creating a new category of products designed to help us disconnect. I grew up when a phone was attached to the wall. That was the only kind. If someone called while you were having dinner, you stood at the phone. If the cord was long enough, you might pull it around a corner for some privacy. Then humans spent decades improving the phone. We made it cordless, mobile, connected it to the internet, added cameras, GPS, email, games, social media and pretty...