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United Airlines passengers to see targeted ads on seat-back screens
(www.cbsnews.com)
This is a most excellent place for technology news and articles.
That is a proximity sensor. It allows the touch buttons on the bezel to light up when your hand approaches
No it's actually a facial recognition camera...
https://gizmodo.com/united-and-delta-cover-their-seatback-cameras-in-bid-to-1834381804
https://www.bizjournals.com/atlanta/news/2019/02/26/some-delta-flights-have-cameras-in-seat-back.html
https://www.dallasnews.com/business/local-companies/2019/02/24/american-delta-and-united-swear-they-ve-never-used-those-seatback-cameras-staring-at-you/
https://www.usatoday.com/story/travel/news/2019/03/01/some-airlines-have-cameras-installed-back-passengers-seats/3022742002/
Interesting. I guess it does both