It's not just brands that have to stay relevant. We do, too. Allen Adamson, author of Shift Ahead: How the Best Companies Stay Relevant in a Fast Changing World, has studied both the successful shifts that companies make to stay relevant and the severe inertia that infects companies who don’t. In his extensive research and numerous interviews with company executives, he’s found that the Secret to Success for staying not only afloat, but staying relevant, is shifting ahead of these seven red flags for irrelevancy.