Major Traffic Drivers:
Yahoo(yahoo.com) tops the list having recorded 128.6 million unique visitors a month averaged 281.5 minutes on the sites.
Time Warner with partner/ owned sites such as aol.com, cnn.com and multiple media sites recorded 117.9 million unique visitors a month averaged 269.8 minutes on the sites.
Google is the third with YouTube reaches 114.7 million unique visitors a month averaged 79.5 minutes on the sites.
Microsoft Corp. ( traffic inclusive of msn.com, msnbc.com ,microsoft.com) scores 114.2 million unique visitors a month averaged 167.0 minutes on the sites.
eBay (ebay.com) recorded 79.6 million unique visitors a month averaged 73.9 minutes on the site placing it on a competitive fifth position.
Source : http://www.adage.com