□ What is Yogurpresso Membership Service? This is a membership service that changes from the existing paper-type savings coupon method to a mobile application. You can easily and conveniently accumulate stamps and use coupons by simply scanning the barcode. □ Main functions [Yogerpresso Members] -MY Stamp Card: Earn 1 stamp when purchasing 1 drink. -MY Coupon: This is a coupon box where stamp coupons and event coupons are stored. - History inquiry: You can check the history of stamp accumulat