Ben Edelman has again made some damning claims about Yahoo and its relationship with spyware vendors. Have your Overture campaigns seen behavior that looks like click fraud? Tell us more at WebProWorld.

When that click is paid, according to spyware researcher Ben Edelman, Yahoo and the spyware vendor split the revenue. Edelman has followed up his August 2005 research into spyware receiving payments from Yahoo's Overture by noting an increase in this possible syndication fraud.

"In my August syndication fraud examples, an advertiser only pays Yahoo if a user clicks the advertiser's ad. Not so for three of today's examples. Here, spyware completely fakes a click -- causing Yahoo to charge an advertiser a "pay-per-click" fee, even though no user actually clicked on any pay-per-click link. This is "click fraud," Edelman wrote.   "Full Article"