Case studies are effective marketing tools when done correctly. Not only do you need to select which background details to include in your case study, but you also need to pack it carefully so that it demonstrates you are a problem solver and have desirable skills—without looking like you are merely promoting your business. It’s a balance. This article offers 12 key elements—offered by 12 members of Forbes Agency Council—to keep in mind when creating cases studies. For example, Emily Porter’s tip is #9 Let the Images Do the Work. Aside from ensuring a case study is focused on the solution to the problem, Porter writes that “nothing brings it to life more than imagery. In lieu of a long-form case study, consider a photo essay with solid captions narrating the case study” in order to keep the audiences truly engaged while illustrating your product’s value.