When the Internet arrived in force in the '90s, one of the promises was a new era of telecommuting. You could live in the middle of nowhere but be part of the high tech workforce in a major city. However, this hasn't played out and, in fact, the opposite appears to be happening: cities matter more than ever.
This little chart from a recent Brookings Institute presentation (note: PDF) sums it up more beautifully than anything I could say:
