Five interesting articles on urbanism from the past week:

• Twaffic: Tom Vanderbilt looks at whether Twitter—and tweets about traffic—will change the way we drive? (Slate)

• Ignorance was Bliss: How my urban learnin’ almost ruined everyday places: How an understanding of what makes places great can be annoying (PlaceShakers and NewsMakers)

• Cities thrive on interaction: Urban economists have recognized that the strength that comes from human collaboration is the primary reason why cities exist and flourish. (Cincinnati.com)

• Deep Walkability: A look at the challenges of measuring true walkability (Alex Steffen)

• Renewed Urbanization Will Drive Change in Retail Strategies: How changing demographics and shifting land use patterns will influence retail investment strategies. (National Real Estate Investor)