I hope they don't do it for just this reason (from the article):
But the idea of having cell phones allowed on flights worried some flyers, who said they dreaded being next to someone having a loud and prolonged conversation.
"Can you imagine being in the middle seat between two business people making phone calls for 3 hours?" said Les Glass in an e-mail to CNN/Money. "What are the airlines and the FCC thinking?" <end quote>
Times this by 20 or 30 people