This is a simple, structured method of answering the question: ‘If I/we continue to do X, what will be the result N weeks/months/years from now?’
We live in a world of constant change. The world is not designed to support your organisation; instead, your organisation must adapt to the world. Ignoring external and internal factors that may have an effect on your organisation could be disastrous. Future shock forces you to consider the medium- to long-term effects of decisions or changes or the impact of continuing as you are without any change.