Services advertising revenue was flat year over year at $241 million, while restaurant, retail and other, or RR&O, advertising revenue declined 10% to $102 million. Outlook Calls for Continued InvestmentYelp expects the difficult environment for local businesses to continue through the remainder of the year, weighing on advertising revenue across categories. About Yelp (NYSE:YELP)Yelp is a digital platform that connects consumers with local businesses through user-generated reviews, ratings and multimedia content. Yelp generates revenue primarily through advertising services sold to small and medium-sized enterprises. The article "Yelp Q2 Earnings Call Highlights" was originally published by MarketBeat.