In the past 10 years，Mobile phones quickly popularized in China，Become a newspaper、Magazine、Broadcast、Fixed telephone、TV、After the Internet & ldquo; Bet365 app download Seventh Popular Media & RDQUO;。Now，Mobile phones have far exceeded the single function of interpersonal communication。For low -income groups，It is also a way to make a living and entertainment tools。Especially for the self -employer，The purpose of their mobile phones is not simply to communicate with people，Instead of making a living。Even for communication，It is also part of its living。This is explained，Why is mobile phone in Chinese mobile phones usually a kind bet365 Play online games of public and private communication tool; and in Japan，The mobile phone number is not easy to make open，Call objects are limited to family and friends。Developed countries like Japan，People are used to using fixed telephones to solve problems in the work，and regard mobile phones as private calling tools; for developing countries in developing countries and low -income people in cities，The way they make a living、Economic status、Workers of Workers Bet365 app download and Privacy Concepts that have not yet developed，All determine that they will solve many things they encounter through their mobile phones。(Zhu Hong Source: "Journal of Nanjing University" 2011 Issue 3 Chen Honglan/pick)