Case StudyDani ComarApril 05, 2013shopper, digital, mobile, cheil worldwide, korea, asia, retail, retailer, e-mart, app, location, innovation, promo, in-store, coupons Sale navigation Case StudyDani ComarApril 05, 2013shopper, digital, mobile, cheil worldwide, korea, asia, retail, retailer, e-mart, app, location, innovation, promo, in-store, coupons