Search engines have come up with a new tag to help blog sites. This new
no follow tag will tell the search engines not to follow the link. This was made for blogs, but I'm guessing can be used in other ways.
You can read more at the
Google Blog Preventing Comment Spam.
I will probably test this link out on
Search Engine Friendly Affiliate Programs. This one would be good to use if your wanting to keep the traffic on your own domain.
If it works with all links, then many will need to keep better track of their links with partners, link buying, and any of their linking strategies.
Also,
wordpress...I have started using this blog software on another site. I have found I like it much better. I may archive this blog and start using wordpress. Probably as soon as I figure out exactly what I want to do...and have time to do it.