Corresponding Author: Xiaojie Tu, received PhD degree in Information and Communication systems from Beihang University. He is now an engineer with the Institute of Economy & Policy Research, China Academy of Information and Communications Technology. His current research interests include Internet Industry analysis and Internet investment analysis. Email: tuxiaojie@caict.ac.cn.;Mingzhu Wang, received PhD degree in Economics from Shandong University. She is now an engineer with the Institute of Economy and Policy Research, China Academy of Information and Communications Technology. Her current research interests include information economy, internet plus, etc. Email: wangmingzhu@caict.ac.cn.