ValueClick, Inc. provides online advertising campaigns and programs for advertisers and advertising agency customers in the United States and internationally. It operates in four segments: Media, Affiliate Marketing, Owned & Operated Websites, and Technology. The Media segment provides a suite of online marketing services and tailored programs that allow marketers to create and increase awareness for their products and brands, attract visitors, and generate leads and sales through the Internet. This segment aggregates various online publishers to provide marketers with access to display advertising networks. The Affiliate Marketing segment enables advertisers to develop their own online sales force comprising third-party affiliate publishers. This segment manages CJ Marketplace, an advertising network dedicated to affiliate marketing business; and search engine marketing services. The Owned & Operated Websites segment offers a range of transaction-focused branded websites, including Pricerunner, Smarter.com, Investopedia.com, and Couponmountain.com; various content websites in the verticals, such as healthcare, finance, travel, home and garden, education, and business services; and Search123, a self-service paid search offering. The Technology segment offers technology infrastructure tools and services that enable advertisers and advertising agencies to implement and manage their own online display advertising, search engine marketing, and email campaigns; and assists online publishers with management of their Web site inventory. The companys customers include direct marketers, brand advertisers, the advertising agencies, and traffic distribution partners. ValueClick, Inc. was founded in 1998 and is headquartered in Westlake Village, California.