Is anyone else noticing that Ebay is now using them? Occasionally I get "Sponsored Links" as the heading and once or twice I got it to say "Ads by Yahoo!"...
seen it. it doesn'r say "ads by yahoo" but when you put the mouse over it u'll see the link "something.vip.somethin.something.yahoo.com/tag (VIP) YPN ads I am looking @ now on ebaymotors are about mortgage/investment/bad credit/refinance/etc when 90% of the content of this particular page is about Acura TL 2004, 2005, 2006 - way off
Ebay has deals with both google and yahoo. Yahoo's YPN for its US auction site and Google's adsense for its international sites.