We don’t yet know where it will end up, but Amazon HQ2 is going to vastly change the physical, societal, and economic landscape of the chosen site. For the candidate cities, Amazon itself, and other local economic interests, the impact of HQ2 will be significant. But what insights from Amazon’s impact on the city of Seattle, Washington can municipal leaders and other local officials consider to anticipate changes if their city is selected by the e-commerce giant?