I think Yelp should do something similar. To be fair, I don't know how, but I think giving a review without having tried a good or a service from a business on

I think Yelp should do something similar. To be fair, I don't know how, but I think giving a review without having tried a good or a service from a business on Yelp seems misleading. Same thing for Amazon (e.g. verified reviews only).