I recently blogged about robot cars and our subsequent loss of one more area of personal freedom as computers start doing something else for us. Well, when writing said blog I never considered that we might actually be moving into a post car world.

Before you holler too loudly, consider the facts. Since 1996 there has been a 13% decline in annual trips by cars and vans in the UK and a 4% reduction in annual distance travelled over the same period. And it’s not just the UK – the ratio of ve...