Bikes! First we were stealing them [http://video.nytimes.com/video/2012/03/12/opinion/100000001423494/bike-thief.html] and then we were sharing them [http://blogs.villagevoice.com/runninscared/2012/05/a_breakdown_of.php] and then we had heated discussions about building lanes [http://www.brooklynpaper.com/stories/35/