United Airlines starts serving passengers personalized ads on seat-back screens

Same here .... last time, I took a tablet and watched two full movies of my own choosing that I wanted to watch. Instead of having the choice of 10 whatever movies that the airline has available, I got to watch what I wanted for the 7 hour flight. The rest of the time, I just slept.

Best combination - your own tablet loaded with your own videos and audio and a good pair of noise cancelling headphones.

Make sure to download all content before the flight to work offline, load it all and test it the day before the flight. Disconnect the tablet from the internet and leave it disconnected. (The first time I did this, I loaded tons of Spotify content, didn't test it beforehand and couldn't access any of it on the eight hour flight).

Best way to do it is to just download audio and video files that are not tied to any service like Netflix/Amazon/Spotify/whatever.

Give yourself hours of content to choose from.

Have a nice flight.