Millions of customers using Amazon’s Alexa voice assistant technology now can add locks that can be controlled remotely to the growing ecosystem of smart home capabilities. August Home last week announced that Amazon’s line of voice-assisted products, including the best-selling Echo, now support its smart products, allowing users to lock and unlock their front doors and other points of access using simple voice commands. August product line includes the August Smart Lock, the August Smart Keypad and the August Smart Doorbell Cam.