A smartphone would also further pressure retailers by easing online purchases in retail stores , where amazon has encouraged consumers to experience merchandise and buy it later online , a practice known as showrooming .
Then look at how major retailers -- best buy ( bby ) , target ( tgt ) , wal-mart ( wmt ) -- are rethinking their models in response to showrooming ( browsing in-store and buying online ) , ebay ( ebay ) , and amazon ( amzn ) .
