An intranet system for commercial flights

What about installing an intranet system on commercial flights whereby passengers could text chat or play games with each other? Passengers could use live text chat to meet or talk to other passengers or play games with others on the flight without having to change seats to do that. Isn't a long flight more fun when you happen to be seated next to someone who is very interesting to meet and talk to? How often does it happen though? Instead of leaving it all to chance and serendipity, an intranet system that can connect each and every passenger in the same way online social networks and playing games do would make flights more fun and interesting.

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