Baidu is a holding company. Through its subsidiaries, Co.'s business consists of two segments, Baidu Core and iQIYI. Baidu Core primarily comprises search plus feed, such as Baidu App, its search business and supporting content, including Baidu Post Bar, Baidu Knows, and Baidu Encyclopedia, as well as its online marketing services, and new artificial intelligence businesses, such as DuerOS (voice assistant and related smart device business), Apollo (autonomous driving platform), and Baidu Cloud. iQIYI is an online entertainment service provider in China. iQIYI's platform features original content, as well as a selection of produced, partner-generated content and user-generated content.