Iteratively Test and Correct Your Strategy A great way to validate the product strategy is to follow an iterative approach along the lines suggested in the book The Lean Startup (Ries 2011). Start by selecting the biggest risk: the uncertainty that must be addressed now so that you don’t take the product in the wrong direction and experience late failure—that is, figuring out at a late stage that you are building a product that nobody really wants or needs. Next, determine how you can best address the risk—for instance, by observing target users, interviewing customers, or employing a minimum
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