Expire Comment Links was inspired by Joost de Valk
in an article he wrote called
Comment links: an experiment.
It all started when Matt Cutts talked about how Google changed how it handles no
follow links in his article on
No one knows for sure yet if this will be beneficial or not, but for those that
want to be on the cutting edge and try this experiment for themselves, this
plugin automates everything.
Free Download: Download this wp-plugin