Top US search engines by share in October 2008

Core Search Entity Sep-08 Oct-08 Growth, MTM
Total Core Search 100.0 100.0 N/A
Google Sites 62.9 63.1 0.2
Yahoo! Sites 20.2 20.5 0.3
Microsoft Sites 8.5 8.5 0.0
Ask Network 4.3 4.2 -0.1
AOL LLC 4.1 3.7 -0.4
Source: comScore