In case you haven’t discovered it, there’s a Passenger Shaming page on Facebook where you can get your own back on sub-humans who behave disgracefully beside you after takeoff.
Take a look, and tell the person next to you to put those bare feet down or he/she will be framed.
The site, started by a disgruntled air steward, is going viral. Check this CNN report.
And they say musical instruments are a problem on board aircraft.