Video advertisements are much more effective, and therefore more valuable, than their static counterparts, but this comes at the cost of loading more slowly on weaker connections or low-end devices. Oddly enough, it’s in countries like Nigeria and the Philippines where these video ads are best received, despite the fact that these countries tend to have slow connections. With that in mind, Facebook has found a solution that allows advertisers to present video ads to users in these countries without running into the aforementioned issues: slideshows.