On: Blekko donates search data to Common Crawl

[jmillikin]

  > The next sentence goes on to suggest that porn is not
  > "useful to humans", which is obviously false.

It's worth noting that porn is, in fact, of use only to humans.

[graue → jmillikin]

So are webspam and SEO abuse, but just to a small number of humans and not the ones performing the search. :)