Google, Inc., a technology company, maintains index of Web sites and other online content for users, advertisers, Google network members, and other content providers. Its automated search technology helps users to obtain instant access to relevant information from its online index. The company's solutions provide targeted advertising and Internet search solutions, as well as intranet solutions via an enterprise search appliance. Its products and services for users include Google.com for search and personalization, which provides Google Web Search, Google Image Search, Google Book Search, Google Scholar, Google Base, Google Webmaster Tools, Google Finance, Google News, Personalized Homepage and Search, Google Co-op and Custom Search, Google Video, and YouTube. The company's products for users also comprise Google Docs, Google Calendar, Gmail, Google Groups, Google Reader, orkut, and Blogger. In addition, it offers various downloadable applications for users, which consist of Google Desktop, Google Pack, Google Toolbar, and Picasa; and Google GEO product line comprising Google Earth, Google Maps, and Google Sketchup and Sketchup Pro, as well as provides Google Checkout, a service for users, advertisers, and participating merchants. Further, the company provides Google Mobile, a product line for users to search and view the mobile Web, as well as the Google index; and Google Labs, a testbed for engineers and Google users. Additionally, it offers Google AdWords, an auction-based advertising program; and Google AdSense program for content owners, which enables Web sites that are part of the Google Network to deliver AdWords ads. Further, the company offers Google Enterprise product line, which includes Google Mini and Google Search Appliance products for small-and medium-sized businesses; and Google Apps that provides hosted communication and collaboration tools for organizations.