The topic of internet plus, which aims to integrate mobile Internet, cloud computing, big data and the Internet of Things with modern manufacturing, sparked a heated debate between China's two richest men, Jack Ma and Wang Jianlin, on the second day of the China Green Companies Summit. The pair argued over whether traditional companies can be smoothly transformed into an online to off-line model without paying a heavy price. CCTV reporter Laura Luo was on the scene and brings the details about the debate.