There’s an entire literature of “think-outside-the-box” business strategies to go along with these notions, but, if innovation is truly the goal, as brothers Dan and Chip Heath, the best-selling authors of Made to Stick: Why Some Ideas Survive and Others Die, point out in the pages of Fast Company, “[D]on’t think outside the box. Go box shopping. Keep trying on one after another until you find the one that catalyzes your thinking. A good box is like a lane marker on the highway. It’s a constraint that liberates.