Optoma's 4K projector uses Alexa to set the mood for movie night
 

Amazon's Alexa voice assistant is already finding its way into TVs, so why not projectors? Optoma certainly thinks it makes sense -- the company has launched what it says is the first projector with Alexa built-in. The UHD51A is a capable 4K projec...

https://www.engadget.com/2018/01/08/...or-with-alexa/