There are already cameras in some seatback systems although airlines have denied using them. https://www.flyertalk.com/articles/seatback-cameras-designed-for-e

There are already cameras in some seatback systems although airlines have denied using them. https://www.flyertalk.com/articles/seatback-cameras-designed-for-enhancing-passenger-experience.html https://www.flyertalk.com/articles/seatback-cameras-designed...