I. Introduction
Over the past few years, wireless communication technologies and mobile handsets experienced a huge development which makes the mobile phones not only communication tools, but also means to conduct business. Via mobile phones, users could easily place shopping, ticketing, entertainment, etc. into their pocket, known as mobile commerce. Any transaction “conducted through a variety of mobile equipment over a wireless telecommunication network” could be considered as mobile commerce [1]. The equipment includes PDA, mobile phones, laptop, etc, and it specifically refers to mobile phones in this paper. As by the end of the first half of 2008, mobile phone users in China reached over 600 million [2], and it is reported that by 2011, number of users accessing to internet via mobile phones will succeed that of via computers. Therefore, the potential market for mobile commerce is quite huge, and it is necessary to study mobile phones based business.