https://www.cnbc.com/2018/06/29/how-reddit-plans-to-make-money-through-advertising.html

Reddit, the controversy-laden social media company, has emerged into such a popular place for discussions on gaming, politics, pornography and celebrity gossip that it's become one of the five most trafficked U.S. web sites

But unlike the other top sites like Google, Facebook and Amazon, Reddit has a diminutive business limited primarily to banner ads and promoted posts. The 13-year-old company is now trying to expand and is making an aggressive push to get advertisers on board.