Political consultants are pugilists masters in the dark art of negativity. Which is why it's surprising to hear Democrats such as Steve McMahon and Republicans like Rich Galen urging their presidential candidates to be more well positive.

One of the things that I think you see sometimes in politics is a certain degree of caution. It's usually advised by consultants who don't want to see you march to the end of a limb.

There were IBM logos designed for the film and there were IBM design consultants working with Kubrick on the layout of the controls and computer screens.

We are stymied by regulations limited choice and the threat of litigation. Neither consultants nor industry itself provide research which takes architecture forward.