Nielsen Online yesterday its rankings of U.S. search share for July, with overall search increasing 31.4 percent year over year to 10.5 billion searches. Google had a year over year increase of 41.4 percent and received 64.8 percent of searches. Yahoo had a year over year increase of 24 percent and received 17.1 percent of searches. Microsoft had a year over year decrease of .5 percent and received 9.0 percent of searches.