We've all heard the saying "the devil is in the details." Social media campaigns are no exception. While campaigns have quite a few components, targeting is arguably one of the most important aspects of marketing strategy. Luckily for marketers around the world, Facebook has a ton of options for brands to reach their desired audience. The flexibility Facebook Custom Audiences provides for marketers to be able to reach multiple audience segments that cater to distinct objectives can be a serious campaign game changer-but only if you leverage them in meaningful ways. In this spirit we've put together a little cheat sheet to inspire some inspiration for incorporating Custom Audiences into your digital strategy.