Tea shop in Chicago lets customers order, pay with app

It seems ordering and paying by phone for drinks is not just for the Starbucks of the world anymore. Chicago-based Argo Tea recently got into the mobile game and now offers its customers a free app for pre-ordering and paying by phone. Founder Arsen Avakian said the app is geared toward loyal customers who know what they want so don't want to be stuck in line behind a new customer. The in-app QR code allows customers to pay and rack up reward points at the same time. Story