Portable digital products like cellphones and tablet PCs have become the main instruments for people, especially young people in China, to entertain and view information when they take public transportation vehicles like buses and subways.
According to statistics, by the end of September, 2012, there are 550 million netizens, more than 290 million smartphone users and 280 million weibo, or micro blog users in China, among which young people make up a large proportion. Digitization, with the great convenience it brings to people's shopping, socialization and entertainment, has become a way of life for modern young Chinese.