eli5: Why do most airlines still use 2-pin audio jacks for the in-flight entertainment systems on their planes?
In: 600
because every operating part on a plane my be new / rebuilt within the last 2 years…but the passenger ops section could be 20 years old with little more then some chair back and pad and arm rest replacements .
You get on those plans without the screens in each row , you know you got on an oldie
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