The purchasing power of online celebrity fans. Network celebrity economy, also called fan economy, reflects social and economic problems, which should be said to be the necessity of information society and internet economy. The reason why online celebrity economy is called the strongest public relations in history by netizens is because of the purchasing power of online celebrity fans. Consumer groups are younger and easier to accept and consume. Fans and online celebrities have formed a relationship between supply and demand, resulting in an online celebrity economy.