Dan Briody over at InfoWorld has a great op-ed piece entitled The Ten Commandments of cell phone etiquette.
This seems like a good opportunity to point out the overarching Don’t be a dick rule, too. “It’s not just for Wikipedia. It’s for life!”
I agree with every one of those except 6. Breaking number 6 keeps me from breaking number 10. This dude clearly has not tried pulling an earpiece out of the depths of a pocket it and fitting it on his ear before a call goes to voice mail.