Social influence is the one part of print media’s appearing. Frist, people are reading less than before. According to a survey adult American about the number of print book readers in March and April between in 2011 to 2015 found that the number of print book readers has 71% in 2011 and it has fallen from only 63% in 2015. The chart shows people read less and less nowadays. This reason, it seems less important to pint media. Furthermore, people’s behavior change