Billion Dollar Bully , an upcoming documentary , focuses on the review site 's impact on small businesses . Filmmaker Kaylie Milliken spoke to several business owners who believe their Yelp ratings went down after they declined to advertise on the site . The company has denied the allegations , citing court rulings , an Harvard investigation and a FTC study as validation of their business practices .
Billion Dollar Bully , an upcoming documentary , focuses on the review site 's impact on small businesses . Filmmaker Kaylie Milliken spoke to several business owners who believe their Yelp ratings went down after they declined to advertise on the site . The company has denied the allegations , citing court rulings , an FTC investigation and a Harvard study as validation of their business practices .