Alexa can unlock Yale's smart deadbolt locks
 

Amazon's Alexa has been useful for locking Yale's smart deadbolts, but what about unlocking them when there's a guest at the door? You're set after today. Yale has introduced Alexa support for unlocking its Assure Locks with voice commands. You'll...

https://www.engadget.com/2018/05/15/...eadbolt-locks/