Baidu, Inc. operates as an internet search provider, which offers internet search solutions and online marketing solutions. It operates as an e-commerce platform with an online payment tool, develops and markets web application software, and provides human resource related services. The company operates through the following segments: Search Services, Transaction Services and iQiyi. The Search Services segment includes the traditional search engine related businesses such as auction-based P4P services and display-based online advertising services. The Transaction Services segment includes the newly developed internet businesses such as services provided by Baidu Nuomi, takeout delivery services and other online-to-offline services. The iQiyi segment engages in the online video business. Baidu was founded by Yanhong Li and Xu Yong on January 18, 2000 and is headquartered in Beijing, China.