SINA Corporation (SINA) is an online media company serving China and the global Chinese communities. The Company�s digital media network of SINA.com (portal), SINA.cn (mobile portal) and Weibo.com (social media), enable Internet users to access professional media and user generated content (UGC) in multi-media formats from the Web and mobile devices and share their interests to friends and acquaintances. SINA.com offers distinct and targeted professional content on each of its region specific Websites and a range of complementary offerings. SINA.cn provides information and entertainment content from SINA portal customized for wireless access protocol (WAP) users. It generates its revenues from online brand advertising, MVAS and fee-based services. SINA provides advertising, non-advertising and free services through SINA.com, SINA.cn, Weibo.com, MVAS, other businesses and SINA products. Advertising revenues relate to online advertising revenues derived from SINA.com.