Page is a not externally linkable
-- Google AdSense
---- AdSense invisible to Norton Internet Security users
loanuniverse - 3:48 pm on Oct 23, 2003 (gmt 0)Thread source:: http://www.webmasterworld.com/google_adsense/895.htm
My impressions are usually undercounted by 30%, so I guess products like this and the people with js disabled are the reason.
Brought to you by WebmasterWorld: http://www.webmasterworld.com