Sina Corporation is an online media company serving China and the global Chinese communities. The Company's digital media network of SINA.com (portal), SINA mobile (mobile portal and mobile applications) and Weibo (social media) enables Internet users to access professional media and user generated content (UGCs) in multi-media formats from personal computers and mobile devices, and share their interests with friends and acquaintances. The Company's segments include Portal advertising, Weibo Corporation (Weibo) and Others. SINA.com is an online media property, which provides professional digital contents to users and offers online brand advertising and marketing solutions to customers. Weibo is a social media platform for people to create, distribute and discover Chinese-language content. It offers eReading, a shop for book reviews, as well as complimentary and fee-based online book reading. It offers SINA Blog, a Website in China for bloggers to publish and read original writings.