7. "Challenges" gets popular on social networks

Smile Challenge:

　　A screenshot of Li Yapeng's post on Smile Challenge.

The "Smile Challenge" has gone viral on Chinese social networks with more than 59,000comments on the topic on China's Twitter-like Sina Weibo in late November. As of Dec 1, there had been 220 million hits on the topic on Sina Weibo, 59,000 comments and numerous netizens showing their smiling photos on the network.

The challenge also became popular on Wechat (Chinese instant messaging software) with people of all ages, from teenagers to the middle aged, showing their smiling faces in their friend circles. For more, here