it said holiday sales were weaker than expected. and the ceo made it very clear, the internet is cutting into foot traffic at retail stores. after a rocky holiday shopping season, some retailers now being forced to close their doors. in the past week, discounter loman's started liquidating. and although their doors remain open, best buy says their holiday sales slumped. so much so its stock plunged 28% thursday. circuit city are all shut down, so what happened to america's shopping habit? the internet. shoppers are just getting smarter. they're showrooming. going to the store to see the item and then looking for the lowest price online. when shoppers do hit the mall, they're prepared.