please listen to the video in the website on the issue of social media and then answer the following questions (2分15秒-2分36秒) The elder man criticizes social media that it is the cause for the detached relationship among people nowadays, for social media would make people the following reasons except______

_______ is the use of social media platforms and websites, such as Twitter to promote a product or service. A: online community marketing B: online event marketing C: microblog marketing D: social media marketing

It is widely believed that social media has brought increasing positive influence in people's lives in China. Which of the following statements about social media are TRUE? A: Social media has become a new channel for knowledge sharing. B: Meet your soul mate easily. C: Buy things from e-commerce sites. D: Learn what’s popular and understand cool culture. E: You can find informed interesting answers to questions of your interested fields.

Just as no one could predict what would happen with social media in the last decade, no one can accurately predict where this technology will take us.

Social media marketing can be inexpensive for companies to use.