I've recently been on a plane which had some kind of small phone/tablet mount on the back of the headrests so that you could actually pull it down and put your

I've recently been on a plane which had some kind of small phone/tablet mount on the back of the headrests so that you could actually pull it down and put your phone/tablet on it to watch a movie. Great UX, because everybody is on their own devices all the time anyway.