Yariv Dror is the CEO of StoreYa.com. Discounts work. Everyone likes them. _ _ _ _ _ _ _ _ _ _ _ _ _ __ Customers feel like they saved money, merchants increase their sales. Everyone is happy. Want quantitative proof? Just four months since our_Coupon Pop_marketing tool was launched, it is already responsible for 20 percent of our merchants’ sales. Merchants collect emails, fans and followers, customers are more engaged with stores and visit 2.5x more pages while seeking what to use their coupon on, and sales go up. But we are not the focus today. The focus...

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