Clark - 8:38 pm on Apr 28, 2007 (gmt 0)

cookies when you do a search and go back to it

I'm not following you on that one. How does that work exactly?

This is an interesting discussion. It sounds like Google tried to do the same thing with the ridiculous nofollow tag.

Yesterday Wikipedia decides not to use nofollow. Their outlinks mean a lot. Today they turn on nofollow, suddenly all the SERPS are changed radically. How arbitrary and stupid is that?