On her June 15 show, Kim talked to Davide Cerretini, a restaurant owner who deliberately asked for one-star reviews on Yelp. Why would he do that? The small business community sees Yelp’s sales tactic as extortion. Does Yelp genuinely have an interest in helping people support the best local businesses, or are they a pay-to-play advertising platform? His story was turned into a documentary, and this is the offiicial trailer. “Billion Dollar Bully” is available to purchase or rent on Amazon and iTunes.