Deciding what film to watch on a plane is fraught with danger - especially if you worry what other passengers might think of your choices...
Nb: The following contains a mild spoiler for Toni Erdmann and descriptions of saucy film moments.
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To date, science has yet to bring us matter transporters or suspended animation, but things have moved on considerably when it comes to in-flight entertainment. Once upon a time, watching a movie on a plane meant squinting at a screen a few rows away as a heavily-edited version of a six-month old film played.
Today, most planes come with a little flat screen mounted on the seat in front of you; with a press of a few unresponsive buttons, you