Editor’s Note: The following is an excerpt from Design Funny by Heather Bradley. With this entertaining instructional and inspirational design book, get an introduction to incorporating humor into your design work. Before Photoshop was introduced in 1988, graphic designers spent most billable hours coaxing kittens to sit still long enough to model military uniforms. Now, we can quickly mock up images like this in a fraction of the time. (Photo from: “War On String May Be Unwi