Working for a nonprofit, I once was ripped off by a service provider. I posted a Yelp review describing the facts of the case and saying "would-be customers, be

Working for a nonprofit, I once was ripped off by a service provider. I posted a Yelp review describing the facts of the case and saying "would-be customers, be careful." This service provider retaliated by posting false and malicious statements about my character. Lucky we had a pro-bono lawyer, or this would have cost me thousands. As it is, it did cost the nonprofit thousands (in the ripoff). We wasted time too. (Hint: it's really hard to collect after you get a favorable judgement in small claims court. Small claims court is a waste of time unless you're making a claim against a deep-pocketed multinational corporation.) This experience taught me that Yelp is useless for anything except five-star reviews. The personal risk of using Yelp to tell the truth about bad service is simply too high.