Google Inc., a technology company, builds products and provides services to organize the information and make it universally accessible and useful. It provides Search, a service that delivers relevant search results in response to user queries; Product Listing Ads that offer product information; Search plus Your World; Google Now, a predictive search feature; and Google Knowledge Graph, which enhances Search service. The company also offers AdWords, an auction-based advertising program; AdSense, a program which enables Websites that are part of the Google Network to deliver ads; Google Display, a display advertising network; DoubleClick Ad Exchange, a marketplace for the trading display ad space; and YouTube that provides video, interactive, and other ad formats. In addition, it provides Google Mobile that extends its products and services to mobile device users; Google Local, which provides local information; Android, an open source mobile software platform; Google Chrome OS, an open source operating system; Google Chrome, a Web browser; Google+ for sharing various things online with different people; Google Play, a cloud-based digital entertainment destination; Google Drive, a place for users to create, share, collaborate, and keep their stuff; and Google Wallet, a virtual wallet for in-store contactless payments. Further, the company offers Google TV, a platform for consumers to use television and the Internet on a single screen; Google Apps, a cloud computing suite of message and collaboration tools; Search Appliance, a search technology for use within enterprises; Google Site Search, a custom search engine; Google Commerce Search for online retail enterprises; Google Maps Application Programming Interface; and Google Earth Enterprise, a software solution for imagery and data visualization. Additionally, it offers mobile wireless devices, and related products and services. Google Inc. was founded in 1998 and is headquartered in Mountain View, California.