It may valid, but it doesn't exonerate the business (yelp, in this case) from responsability. I think the real troubling issue is that they demand openess from

It may valid, but it doesn't exonerate the business (yelp, in this case) from responsability. I think the real troubling issue is that they demand openess from other businesses but don't show their algorithms or give open access on their pages for response. I wonder how long it will take for businesses to start using Mechanical Turk against this Yelp.