Apple starts selling Level Lock+, unlock by tapping iPhone
Apple stores in the U.S. are now selling an exterior door lock that can be unlocked by a user's Apple Watch or iPhone. The $329 Level Lock+ is the first Home Key-supported lock that's been sold in Apple stores.When the Level Lock+, made by Level Home, is installed in a door, users can unlock and relock their homes with a tap using Apple Home Key, a feature that uses NFC and secure tokens in Apple's software. Users can text keys to their friends or automate when the door is locked.For Apple, it's a milestone in the…