As app stores become cluttered with apps from nearly every brand, the competition to reach the top of the stack and be discovered is fierce. Facebook added a solution to this problem to their mobile service in October. “App Install Ads” display a large photo and direct link to the appropriate app store purchase page in the mobile news feed, providing fast turnover for brands and revenue for Facebook to the tune of $375 million last quarter. The removal of a typical web link from the equation makes the install process even easier on consumers, so the concept is likely to stick as part of Facebook’s efforts to make itself a natural fit into the mobile sphere long-term.