Aiming to hit $43B in revenue by 2021, Best Buy will expand Smart Home Powered by Vivint home automation and security to 450 stores, add 1,500 dedicated smart home employees.

Ring Protect DIY security and home automation system debuts with ZigBee, Z-Wave, Bluetooth, Wi-Fi, cellular and no-contract professional alarm monitoring with such absurdly low fees you wonder how they make money.

Best Buy to sell new 2GIG-based security panel with Samsung SmartThings home-automation hub inside, including ZigBee, Z-Wave, Wi-Fi, security-sensor, and cellular radios. Presumably UL-listed for fire and life safety, with no-contract monitoring by

Smart-home features of Savant's Multi-STAT thermostat include integration with Savant Scenes, connectivity to indoor and outdoor temperature sensors and premium glass touchscreen.

Amazon's new home-automation play includes ZigBee-enabled Echo Plus (not Z-Wave?) and Alexa services such as Routines, enabling macros to be activated by voice control or time and day.

Check out these spectacular booths, products and services that have dealers talking... even as the CEDIA craze comes to a close. Brands include Samsung, Lutron, Aurora, Denon, Barco, Stewart, Meridian, Leon and more.