Google

=== Search engine ===
{{Main|Google Search|Google Images}}
Google [[search engine indexing|indexes]] billions of web pages to allow users to search for the information they desire through the use of keywords and [[Operator (computer programming)|operators]].<ref>{{Cite web |last=Arrington |first=Michael |date=July 25, 2008 |title=Google's Misleading Blog Post: The Size Of The Web And The Size Of Their Index Are Very Different |url=https://techcrunch.com/2008/07/25/googles-misleading-blog-post-on-the-size-of-the-web/ |url-status=live |archive-url=https://web.archive.org/web/20170312042335/https://techcrunch.com/2008/07/25/googles-misleading-blog-post-on-the-size-of-the-web/ |archive-date=March 12, 2017 |access-date=March 9, 2017 |website=[[TechCrunch]] |publisher=[[AOL]]}}</ref> According to [[comScore]] market research from November 2009, Google Search is the dominant search engine in the United States market, with a [[market share]] of 65.6%.<ref name="comscore">{{Cite news |date=December 16, 2006 |title=comScore Releases November 2009 U.S. Search Engine Rankings |url=http://www.comscore.com/Press_Events/Press_Releases/2009/12/comScore_Releases_November_2009_U.S._Search_Engine_Rankings |url-status=live |access-date=July 5, 2010 |archive-url=https://web.archive.org/web/20100225142724/http://www.comscore.com/Press_Events/Press_Releases/2009/12/comScore_Releases_November_2009_U.S._Search_Engine_Rankings |archive-date=February 25, 2010}}</ref> In May 2017, Google enabled a new "Personal" tab in Google Search, letting users search for content in their Google accounts' various services, including email messages from Gmail and photos from [[Google Photos]].<ref>{{Cite web |last=Schwartz |first=Barry |date=May 26, 2017 |title=Google Adds Personal Tab To Search Filters |url=https://www.seroundtable.com/google-personal-tab-search-23912.html |url-status=live |archive-url=https://web.archive.org/web/20170527140309/https://www.seroundtable.com/google-personal-tab-search-23912.html |archive-date=May 27, 2017 |access-date=May 27, 2017 |website=Search Engine Roundtable |publisher=RustyBrick}}</ref><ref>{{Cite web |last=Gartenberg |first=Chaim |date=May 26, 2017 |title=Google adds new Personal tab to search results to show Gmail and Photos content |url=https://www.theverge.com/2017/5/26/15701778/google-personal-tab-search-results-gmail-photos-images-maps-news-filter |url-status=live |archive-url=https://web.archive.org/web/20170526215945/https://www.theverge.com/2017/5/26/15701778/google-personal-tab-search-results-gmail-photos-images-maps-news-filter |archive-date=May 26, 2017 |access-date=May 27, 2017 |website=[[The Verge]] |publisher=[[Vox Media]]}}</ref>

Google launched its [[Google News]] service in 2002, an automated service which summarizes news articles from various websites.<ref>{{Cite news |last=Macht |first=Joshua |date=September 30, 2002 |title=Automatic for the People |magazine=Time |url=http://www.time.com/time/business/article/0,8599,356152,00.html |url-status=dead |access-date=June 7, 2010 |archive-url=https://web.archive.org/web/20101022094519/http://www.time.com/time/business/article/0,8599,356152,00.html |archive-date=October 22, 2010}}</ref> Google also hosts [[Google Books]], a service which searches the text found in books in its database and shows limited previews or and the full book where allowed.<ref>{{Cite web |last=Martin |first=China |date=November 26, 2007 |title=Google hit with second lawsuit over Library project |url=http://www.infoworld.com/t/platforms/google-hit-second-lawsuit-over-library-project-722 |url-status=live |archive-url=https://web.archive.org/web/20110510022853/http://www.infoworld.com/t/platforms/google-hit-second-lawsuit-over-library-project-722 |archive-date=May 10, 2011 |access-date=July 5, 2010 |publisher=[[InfoWorld]]}}</ref>

Google expanded its search services to include [[Google Shopping|shopping]] (launched originally as Froogle in 2002),<ref>{{Cite web |last=Naughton |first=John |date=July 1, 2017 |title=Challenges to Silicon Valley won't just come from Brussels |url=https://www.theguardian.com/technology/2017/jul/01/google-fine-challenges-to-silicon-valley |work=[[The Observer]] |access-date=September 19, 2023 |archive-date=October 2, 2023 |archive-url=https://web.archive.org/web/20231002124625/https://www.theguardian.com/technology/2017/jul/01/google-fine-challenges-to-silicon-valley |url-status=live }}</ref> [[Google Finance|finance]] (launched 2006),<ref>{{Cite web |last=Mills |first=Elinor |date=March 21, 2006 |title=Google launches its own financial site |url=https://www.cnet.com/tech/services-and-software/google-launches-its-own-financial-site/ |website=[[CNET]] |access-date=September 19, 2023 |archive-date=October 2, 2023 |archive-url=https://web.archive.org/web/20231002124623/https://www.cnet.com/tech/services-and-software/google-launches-its-own-financial-site/ |url-status=live }}</ref> and [[Google Flights|flights]] (launched 2011).<ref>{{Cite web |last=Pepitone |first=Julianne |date=September 13, 2011 |title=Google launches Flight Search - with a cool feature rivals lack |url=https://money.cnn.com/2011/09/13/technology/google_flight_search/index.htm |website=[[CNN Money]] |access-date=September 19, 2023 |archive-date=October 2, 2023 |archive-url=https://web.archive.org/web/20231002124624/https://money.cnn.com/2011/09/13/technology/google_flight_search/index.htm |url-status=live }}</ref>