Launch a Truly Omnichannel Coupon Engine: What You'll Deliver in 30 Days
https://wiki-spirit.win/index.php/How_3_Billion%2B_Mobile_Coupons_Forced_a_Rethink_of_Single-Use_Security_at_CodeBroker
Technical decision-makers at mid-market and enterprise retail know the sting: a vendor promises omnichannel coupons, but in production the system is rigid, inconsistent between web and POS, and leaks margin or breaks checkout