Showrooming" is behavior of customer that walking into store and select products and check price and preview product for survey their contentment with that product. but not buy and comeback to buy on online shop. How behavior begin? customer start the showrooming when they want to buy something on online market but online market can show only the picture of product and describe of properties but can't show the real product to you for determine. Customer can see but can't touch or try. Showrooming is the way to solve this problem.