When you visit the Craigslist website, the first thing you usually do is select the region you want to search within. Those Craigslist defined boundaries are sometimes pretty broad, from the San Francisco Bay Area to the entire state of Maine. A while ago, John Nelson of IDV User Experience created a very intriguing map based on those boundaries which is both useful as a window into what the Craigslist folks view as our local regions and as a targeted marketing reference. Now, Nelson has created an even more useful map, this time visualizing the nations zip codes which fall within the Craigslist boundaries. [Read more...]