Google has 77.4% of US search ad market
For every new $1 spent on paid search in Q2 2008 versus Q2 2007, $1.10 went to Google. Yahoo lost $0.09, and Microsoft lost $0.01. Advertisers are putting all of their new search dollars into Google, and pulling money out of Yahoo Search and Microsoft Live Search, Efficient Frontier says. Google maintained its 77.4% share of US search marketing dollars, while Yahoo captured 17.8% of spending and Microsoft Live Search maintained its 4.8% share.