5000 words, no need for introduction. Only write main body To find out whether social media can effectively reach the target audience. To analyze the reach and frequency of social media marketing To analyze the advantages of social media marketing, compared with traditional marketing vehicles To study how social marketing media effectively influence the potential customers purchasing willingness and desire, and even to persuade them to purchase and retain them. To find how marketing media builds and maintain good relationships with customers, and obtain high level of customer loyalty.