Sina Weibo China's microblogging market based on active users and 86.6% based on browsing time over competitors such as Tencent Weibo and Baidu's services. The top 100 users had over 485 million followers combined. Furthermore, Sina said that more than 5,000 companies and 2,700 media organizations in China use Sina Weibo. The site is maintained by a growing microblogging department of 200 employees responsible for technology, design, operations, and marketing. Sina executives invited and persuaded many Chinese celebrities to join the platform. The users of Sina Weibo include Asian celebrities, movie stars, singers, famous business and media figures, athletes, scholars, artists, organizations,
Muhammad Ali in China culture, because others will try to give you their culture." Ali's third visit to China was in 1993, and it was during this visit that an international boxing match was held in Beijing for the first time. Ali visited Shanghai during this visit and interacted with students. In 1987, China held its first national boxing championships, and the following month the China Boxing Association became an official member of the International Amateur Boxing Association, following which China started appearing on the boxing stage internationally. Ali has been credited for this development. At Ali's death, Zou Shiming, wrote on Weibo that