SINA Corporation, through its subsidiaries, operates as an online media company in the People’s Republic of China. It operates SINA.com, an online brand advertising portal that provides region-focused format and content, including multimedia news; sporting events news; automobile-related news; business news coverage and personal finance columns; entertainment news and events; technology updates; interactive video products, such as news, sports, entertainment, and education; and education, digital, fashion, eLadies, luxury, health, collectibles, travel, and other interest-based channels. The company also offers SINA mobile, a mobile portal, which provides news information and entertainment content from SINA.com for mobile users in mobile browser and application format. In addition, it operates Weibo.com that offers self-expression products to enable users to express themselves on Weibo platform; discovery products to help users discover content; notifications, such as games, VIP membership, and mobile apps; advertising and marketing solutions; and tools and application programming interfaces. Further, the company offers MVAS, which allow users to receive news and information, download ring tones, mobile games and pictures, customize caller ring back tones, and participate in dating and friendship communities. Additionally, it operates game portal that provides users with downloads and gateway access to online games, information and updates on online and PC games, and value-added application tools. SINA Corporation also provides eReading, a one-stop shop for book reviews; and free email, VIP mail, and corporate email services for enterprise users, as well as operates a Website for bloggers to publish and read original writings. The company was founded in 1997 and is headquartered in Shanghai, the People’s Republic of China.