The first recognizable social networking site launched in 1997. SixDegrees.com allowed people to create profiles, list their friends and began in 1998. (Boyd, 2007, p210) After the the first social network was created, many social networks and new media began to emerge, and their popularity grew around the world. (Boyd,2007,p210) The next wave after the first social network is blogging, which was launched in 2001. (Boyd,2007,p211) In the contemporary, social media starts to become an essential technology that has grown at a tremendous pace , like like Facebook, Twitter, Instagram, Youtube and other media, they all use social media for their daily engagement and needs. (Deen, 2012) People can send more messages to more people, more quickly and more cheaply than before. People can meet more people and know more about the world through social media. Most people even start getting addicted to social media. It not only affects people's daily lives, but also helps the society's economy. It is the most powerful form of marketing and market research with the lowest costs for most businesses. Using social media to keep in touch with friends has become more popular now, it saves people money, time and energy. Social media doesn't just look at face-to-face relationships, the focus of social media
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