But now Amazon has a new game. Now that it has agreed to collect sales taxes, the company can legally set up warehouses right inside some of the largest metropolitan areas in the nation. Why would it want to do that? Because Amazon’s new goal is to get stuff to you immediately—as soon as a few hours after you hit Buy.

via www.slate.com

In 3 or 4 years, this (same day delivery) will be "normal" for most major cities. I'm a believer.