The Connected Packaging Era: Why Brands Should Care Future bar code changes can give CPGs a unique touchpoint, writes AirBaton's Caleb Sheppard. Sponsored What Is a Clickable Paper Receipt? Engage loyalty app users by adding QR codes to receipts. P-O-P Spotlight: Interesting Uses of QR Codes We showcase a sampling of displays and signage leveraging QR codes at retail, including from Nestle Purina and Target.