We've been getting strategy wrong. We exhaust ourselves generating detailed plans and architectures that few people read and are out of date within months. And often, the people affected most by the strategy don't even get a say in what's in it. Agile approaches need a more dynamic and relevant approach to strategy. David Cannon takes a practical look at how to define and write a strategy that is simple, relevant, and achievable and that keeps up with the pace of change in today's business environments.