AIR WI-FI..

BUT, Already,
Korea Airlines (like KAL, ASIANA ) have provided wi-fi to passengers in the air
that is a long air trip as seoul-New York, Paris, London..
maybe, you will be ask stewardess how to  insert a notebook plug in an airplane wall outlet.
I remember that she said "so sorrrry,  I regret to say that I am unable to help you. no plug in."

A few years ago, when I was back in Korea,
I made use a air wi-fi in the seoul-new york flight of KOREAN AIR. (economy class)
http://www.koreanair.com/