Reddit has been selling ad space since The ads are clearly marked, and aside from being published on a blue background, they blend seamlessly into the rest of the website. The non-obnoxious ads—flash and auto-play ads are banned—have earned Reddit the right to be automatically whitelisted by the popular AdBlock extension for Google Chrome. The company has shown it wants to increase advertising across the site, including more display and mobile ads, as well as more substantial sponsorships. Unfortunately for the website, selling advertisements poses two major problems. Since Reddit is built monet and valued on the strength of its users, excessive advertising could lead to further censorship and drive community members to seek alternatives. In fact, on multiple occasions, user protests have occurred in the wake of attempts to institute changes that would pave the path to monetization. Without obtaining more targeted data about its users and the high CPM revenue that flash maek pop-up ads...