Urban issues correspondent Bill McKay looks at how the built environment isn't as neutral as you'd think - it can be racist, sexist, elitist, ageist and ableist - and subtly and frequently manipulating us.
He looks at the example of supermarkets, a place that is supposed to be easy and efficient for us to shop but uses design to get us to buy more.
Bill McKay is a Senior Lecturer in the School of Architecture and Planning at the University of Auckland.