Hands-free unlocking is the future of smart locks. The best smart home tech removes friction, and having your door unlock for you as you walk up is as frictionless as it gets – no passcodes to remember, no need to have a free hand to wave, press, or poke at the lock. One way to achieve this nirvana is through facial recognition. You already unlock your phone with your face; why not your home?

Hands-free unlocking using geofencing has been around for a while, but it can be slow and unreliable, and requires an app running in the background on your phone. Newer innovations – facial recognition and unlocking using an ultrawideband (UWB) radio – …

Read the full story at The Verge.