Welcome back! Did you have a nice Thanksgiving? For those of you who went out shopping on "Black Friday," hope you made it back in one piece (especially if you actually tried going to a WalMart—sheesh, those shoppers are fierce). Speaking of WalMart, here’s a case study from the HUB magazine about how Pueblo Supermarkets, based in Puerto Rico, ramped up their loyalty marketing program when WalMart entered their market. Unlike most retailers, they "faced down WalMart and lived to tell about it because they not only have a customer database, but they actually use it."