SINA Corporation 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; business news coverage and personal finance columns; sporting events news; automobile-related news; 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; social products to promote social interaction between users on Weibo platform; discovery products to help users discover content; notifications, games, VIP membership, and mobile apps; advertising and marketing solutions; and tools and application programming interfaces.