If you haven't heard about O-2-O, you will. China's e-commerce giants — Alibaba, Tencent and JD — are creating a new form of retailing with smartphone ordering, ultra-modern stores and delivery to customers within five hours. Kroger may already be gearing up for O-2-O in the future. Retailers like Aldi could be perfect for the concept. Join news anchor Jodi Daley and PLMA president Brian Sharoff as they analyze O-2-O. Special reports from Roy White in New York and Emily Wu in Shanghai. Click here to download video