Both seem inappropriate to me. I like calling them "readers" first, or perhaps "visitors." "Customers" or "patrons" promotes a money-changing atmosphe...

This one is so weird; I've heard the opposite. As a former bagger at a Meijer store in Michigan, I always got the word "sack" for a paper bag, mostly...

In northern Michigan, some call them "snow turds." I carry a rubber mallet to chisel them.