I. Overview of community o2o mobile applications industryAccelerated urbanization, growing urban population and large community base of o2o usersBy definition, community o2o is a community based o2o that creates value for community users based on community users; by the end of 2014, china's urban population was 750 million, or 54. 8 per cent of the total population, with a large community o2o user baseBut the current number of users is small, and