Nielsen Online today released it rankings of U.S. search share for August. Overall search decreased 7.7 percent year over year to 7.2 billion searches. Google had year over year growth of 3.1 percent and received 60 percent of searches. Yahoo! had a year over year decline of 16.5 percent and received 18.1 percent of searches. Microsoft had a year over year decline of 23.8 percent and received 10.7 percent of searches.