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,
Han Jian (Weibo warlord) was then named Han Junxiong) was a long-time officer at Weibo Circuit, and seized control of the circuit when the soldiers mutinied in 870 against then-military governor ("Jiedushi") He Quanhao and killed He Quanhao due to He Quanhao's harsh discipline. Han Jian became deputy military governor after his father became military governor. After Han Yunzhong died in 874, the Weibo soldiers supported Han Jian to succeed him, and then-ruling Emperor Xizong agreed, making Han Jian acting military governor initially, and then full military governor in 875. He gave Han Jian the honorary chancellor designation of "Tong Zhongshu Menxia Pingzhangshi" (同中書門下平章事)