Chromebooks could get a lock screen upgrade with Ambient Mode

Android Ambient Mode

Ambient Mode was unveiled by Google last year, a way to turn phones into smart speakers and smart displays, though it hasn’t made it to many handsets as yet. Now it looks as though the feature could be appearing on Chromebooks too.

https://www.techradar.com/news/chromebooks-could-get-a-lock-screen-upgrade-with-ambient-mode