Larry Page and Sergey Brin created a search engine called BackRub at Stanford in 1996. In 1997, they renamed it Google and it gained popularity for its relevant search results. Throughout the late 1990s and 2000s, Google expanded internationally, launched new products like Gmail and Google Maps, and acquired companies. By 2010, Google's revenues reached $23.6 billion and it employed over 23,000 people worldwide.