Merryfield’s At-Shelf Program Headed to Earth Fare Learn & Earn in-store signage, branded QR codes and shelf tags to launch at 19 stores across eight states this summer. Fresh Thyme Doubles Down on QR Codes The retailer will leverage Merryfield's at-shelf Learn & Earn program, combining in-store consumer education with exclusive digital incentives. Amazon Still 'Primed' for Growth