PLEASE no cellular phone use on airborne aircraft unless in the
case of a dire emergency. A seat on the airplane has become the
last bastion of respectful, courteous, quiet behavior - it's bad
enough the people surrounding the boarding area can't seem to stop
shouting incessantly into their phones. To endure that for the
flight's duration will certainly give me pause in scheduling
flights at all. "Second-hand" cell phone on an airplane becomes
just as disturbing and mentally un-healthy as second-hand smoke
was...