Google's U.S. share of Web search reaches 63 percent

Reuters: "Yahoo Inc, the No. 2 player in the U.S. Web search market saw its share of the business drop 0.9 percent to 19.6 from July while Microsoft, the No. 3 U.S. player, slipped 0.6 percent to 8.3 percent, according to comScore Inc.

IAC InterActiveCorp's Ask.com grew 0.3 percent to retain its fourth-place ranking while Time Warner Inc's AOL edged up 0.1 percent to 4.3 percent, according to August monthly data published by the market research firm said."