https://www.techdirt.com/articles/20190904/16331642923/ring-has-head-face-recognition-tech-says-not-using-facial-recognition-tech-yet.shtml

Amazon has developed facial recognition tech it's inordinately proud of. Known as "Rekognition," it's not nearly as accurate as its deliberately misspelled moniker suggests it is. It drew Congressional heat last year when it misidentified a number of Congress members as criminals.

There has been no interplay between Amazon's Rekognition software and the Ring doorbell cameras its subsidiary is pushing to cops (who then push them to citizens). Yet. Maybe there will never be. But it's pretty much an inevitability that Ring cameras will, at some point, employ facial recognition tech.