Google is the most widely used search engine, handling about 70% of all online search requests. It was founded in 1998 by Larry Page and Sergey Brin and has since expanded into other products and services. Google's main campus is located in Mountain View, California and it is ranked as the most visited website in the United States, receiving 246 million unique visitors monthly. Some key facts about Google include that it has the largest index of websites, its search technology is called PageRank, and it derives its name from the mathematical term "googol," representing the infinite amount of information it aims to organize.