The author is now retired from the Beijing University of Posts and Telecommunications(BUPT). Before retiring, he served as the deputy director of the e-commerce research center in BUPT, during which, for more than ten years, he mainly engaged in economic management research and consulting for the telecom industry. Dozens of consulting clients include the headquarters of China's three major telecom operators and their provincial and municipal companies, multinational corporations like Microsoft, Huawei, Lucent; consulting organizations like Deutsche Telekom Consulting, Nomura Research Institute, Chinese Academy of Engineering, and government departments like the Ministry of Industry and Information Technology, the State-owned Assets Supervision, and Administration Commission, Beijing Economic and Information Commission, and the likes. He had provided decision-making consultations for the relevant national ministries and commissions on top-level affairs in the telecom industry at that time, such as telecom operator reorganization, 3G and 4G license issuance, which were adopted with remarkable results. The author has done various jobs in farming, maintenance, assembly, manufacturing, engineering, research, development, teaching, training, leadership, management, marketing, and consulting. In his decades of various experiences, he has continued to conscientiously summarize and think about the various social, market, and academic phenomena, experiences, and the deep reasons behind them.