Cuota de mercado de los buscadores en USA

Percentage of US Searches Among Leading Search Engine Providers
Domain	Mar 2007	Feb 2007	Mar 2006
www.google.com	64.13%	63.90%	58.33%
search.yahoo.com	21.26%	21.47%	22.30%
search.msn.com	9.15%*	9.30%*	13.09%
www.ask.com	3.48%	3.52%	3.99%
Note: Data is based on four week rolling periods (ending 3/31/07; 2/24/07; 4/1/2006) from a sample of 10 million US Internet users. *includes executed searches on Live.com and MSN Search
Source: Hitwise