Walking is apparently underrated. So University of North Carolina at Chapel Hill student Matt Tomasulo decided to engage in some "guerilla urbanism" in January with fellow fans of bipedal activity, posting 27 signs at three Raleigh, NC intersections as part of the "Walk Raleigh" project. The cardboard and vinyl signs contained snippets about how many minutes it would take to walk to must-see destinations like Raleigh City Cemetery, as well as QR codes for downloading directions. Like the activity it promotes, Tomasulo says the idea behind the project