Some shoppers go to a retailer, see and touch the product, only to return home and purchase the item online. Why? It costs less. Best Buy downplays showrooming but acknowledges the price challenge with a new holiday shopping policy described today in the Wall Street Journal. Best Buy's seemingly contradictory stance underscores the conundrum facing executives at many big-box chains. Aware that they need to adapt aging business models to the realities of mobile- and computer-aided shopping, they don't want to overreact or lose sight of what made them successful—that is, selection and service. Do you use Best Buy as a means to see or touch the product then purchase online?