You’ve probably opened your car without sticking a key in the door for at least a decade. So why do we still use old-fashioned keys on the locks at home? Electronic locks, around for years, are a paradox. They seem so obvious in cars, hotel rooms and offices, yet alien at home.
Now a crop of smart home deadbolts propose a different approach: Turning your smartphone into the key.
This is still a horrifying idea to many people, including most of my family. There are so many what-ifs. What if your phone dies and you’re forced to sleep in the backyard? What if it goes haywire and lets in murderers.