wine tasting etiquette question

[newsguy]

ok, so this is not a best buy/best deal, and i already posted this thread under the talk to moderators folder. but i want everyone to have a shot at this...

i'm going to write a column on how people should act at a commercial wine tasting and what the proprietors should be providing so the experience can be maximized for all. any of you have a pet peeve or an idea that i might not think about that you think folks must know? now's your chance to sound off...