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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.
This should count as violation of human rights. You're chained to the seat for hours and have no other option than look at this screen or force your eyes closed. Holy shit, people should get really mad. Flashing ads on a screen you don't look at directly are still very annoying, even if you look on your phone.
You can turn off the TV dude
In my experience, that's only temporary. The screen will always wake up again on United flights.