One of the cities this is popular in is San Francisco. And the data the article suggests is correct. If you don't have to worry about taking a car to park, you are more likely to spend more time in a local area with businesses available to spend your disposable income.

The second benefit is creating a sense of place. The place to see or the place to hangout in. This personal behavior of a local population can transform a regional neighborhood into a vibrant culture and/or community.

Great post!