Just to add fuel to the fire....
Thought I might add that If you've been lucky enough to travel on the 'big red phone boxes on wheels' in London, then you may have been priviledged to experience certain passengers using their phones as a means of portable jukebox.
Imagine that on a plane full of tired commuters.
"Man found beaten to death with own mobile. 200 suspects are believed to be in police custody"
Personally, whatever happens you really do need to invest in noise-cancelling headphones. They really are worth the money.