On 4/29/07, David Gerard <dgerard(a)gmail.com> wrote:
They are "trusted" not to be spam links. If they are "useful", it is
quite unlikely they will be spam links. Not impossible (as I'm sure
Geni is about to point out), but unlikely.
We don't discriminate between external links in the same way. We have
nofollow across the board, whether they are "useful" or not.
Of course, there are good arguments for turning off nofollow for
external links; I don't really care what we do, as long as there is