Yelp announced that it has surpassed 13 million reviews. I wonder how many of them are positive. In a post on the company blog, CEO Jeremy Stoppelman writes : Last week, Yelp passed the 13 million review mark - and its no secret that because our community is sharing all these great reviews, that Yelp has become the best place to find a local business. But did you know that Yelp is also a resource to help you find dog-friendly B&Bs, campgrounds with the best view,