Top 10 Internet Applications 
Brand or Channel Unique Audience (000) Time per Person (hh:mm:ss)
Windows Media Player  40,559 0:21:47
iTunes  18,362 0:40:56
Windows Live Messenger  12,731 0:24:37
RealPlayer  11,181 0:12:35
Yahoo! Messenger  11,002 0:50:16
AOL Instant Messenger  9,680 0:41:59
LimeWire  6,321 0:31:27
WeatherBug  4,424 0:14:03
Apple QuickTime  4,396 0:07:15
The Weather Channel  3,062 0:11:03
Top 10 Online Mass Merchandiser Destinations
Brand or Channel Unique Audience (000) Time per Person (hh:mm:ss)
Amazon 30,217 0:18:46
Wal-Mart Stores 18,055 0:12:52
Target 15,586 0:08:05
Overstock.com 6,861 0:08:06
eBay Stores 5,611 0:04:42
Yahoo! Store 5,504 0:04:47
Barnes & Noble 4,339 0:08:30
Costco 4,326 0:10:38
QVC 3,386 0:27:44
Staples 3,120 0:10:29
Top 10 Online Sports Destinations
Brand or Channel Unique Audience (000) Time per Person (hh:mm:ss)
Yahoo! Sports 11,354 0:23:18
ESPN 9,665 0:24:39
FOX Sports on MSN 7,244 0:11:08
NFL Internet Network 5,546 0:19:29
CBS Sports 5,519 0:18:43
Fantasy Sports Ventures Network 4,128 0:09:06
AOL Sports 3,428 0:08:33
SI Digital Sites 2,822 0:15:19
MLB.com 2,481 0:10:30
Cabela's 1,836 0:12:04

Source: Nielsen Online