Old ideas don't tend to do well in cities, it is thought, because the city has an ethos that encourages interaction. The best ideas rise to the surface in this marketplace. The stagnant, old ideas, die off.
That is why, despite the fact that technology infrastructure has made location unimportant, we’re becoming more urbanized at a more rapid rate than ever before.
Why is this? According to innovation guru John Hagel, learning faster is becoming more and more important, and we simply learn faster in cities than we could on our own.