Sitting down and just thinking hard does not magically produce valuable discoveries either. The essence of the word "interaction" implies a relationship between a human and an environment. In my experience, great revelations surface from making something — filling your headspace with a problem — and then going for a synthesising daydreaming walk to... See more

There's a unique human component to interaction design. Why? Because ultimately people are trying to get stuff done using a product. Beauty in form and composition is not enough. There's an inherent satisfaction apparent in striking a holistic balance between form and function.