I imagine it would be extremely difficult if not impossible for Google to detect if a link is a paid for one or not. If someone pays for a clean single link in relevant content how would they ever know? I think they would like people to indicate they are paid links by including "Paid Links" or such text close by to the links or by setting nofollow etc. It's really up to the webmaster if they want Google to know if the links are paid for or not but the worth of such links would obviously be much less so I imagine most wouldn't do it. |