"The problem is that city planners have mixed bikes and cars together in ways that offer little certainty about how each should operate, and lots of chances for conflict."

(tags: bicycling urban_studies society psychology)

"As a society, you can flip someone off very easily," Adams said. "But we have no hand signal that says 'I'm sorry.' " (from the Newsweek article.)

(tags: bicycling urban_studies society eco psychology)

"Many of these problems are with volunteer software in general, not Free Software in particular. [...however...] it’s in Free Software that we see volunteer software’s usability problems most often." cultural issues, mostly.

(tags: usability opensource)