|Qiao An talks with the guests and shares the address of his inn with them through WeChat on Oct. 13, 2013. Qiao, from Hunan province, runs an inn in the ancient Dali town in southwest China's Yunnan province. (Photo/Xinhua)|
WeChat - weixin is quickly becoming the most popular social media in China. The number of users of WeChat reached more than 400 million in the first half of 2013.