In 1980s, the first mobile phone user appeared in China. By 2013, the total number of mobile phone users in China has reached to 1.2 billion. The massive popularity of smart phones, tablet PCs and other mobile terminals, along with a huge number of application products, the mobile technology has changed the whole society.

Thirty or forty years ago, people had never thought about "digital life", now "the micro era" has affected every aspect of people's life. Looking back, we can find that people's communication channels, living habits, and ways of entertainment have changed greatly.

"Business cards" vs "WeChat"

Up: Photo shows Zhao Changtian (1st left), a writer from Shanghai, exchanging his business card with Jian Zheng, a female essayist from Taiwan, Aug., 1992.

Down: Photo shows a group of young people adding each other as friends through software "WeChat" installed in their mobile phones, Nov. 30, 2013.