<http://schema.org/description>
"Sina, the company behind China's popular Sina Weibo microblogging platform, has again admitted that time spent on its service from users has dipped due to competition with Tencent-owned ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/asia/2013/02/20/sina-ceo-admits-fall-in-weibo-usage-due-to-wechat-competition-but-says-service-has-critical-mass/>