eReceipts and Universal Digital Coupons Apps LaunchCielo Supermarket, Elden’s Fresh Foods have already adopted time-saving, cost-efficient tech MN Grocers Award $76,500 in ScholarshipsThe Foundation received 521 applications from 75 companies TECHNOLOGY: Pay it forward To help speed up checkout times, White's Foodliner eliminated credit card processing at its stores, but kept credit card payments intact. TECHNOLOGY: Pay it forward To help speed up checkout times, White's Foodliner eliminated credit card processing at its stores, but kept credit card payments intact. Knowlan's Super Markets Installs ACM Self Checkout from PSI JACKSONVILLE, Fla. - Productivity Solutions Inc. (PSI) and Knowlan's Super Markets Inc. announced that Knowlan's has installed the PSI ACM 750 Self Checkout unit in two of its Festival Foods stores in Minnesota.