https://pinboard.in/u:marks/public/ recent bookmarks from marks 2016-11-05T19:21:44+00:00 https://twitter.com/Svajeren/status/794983052493647872/photo/1 marks Velodrome bicycle https://twitter.com/ https://pinboard.in/u:marks/b:d81901a0818c/ 2012-10-17T19:36:15+00:00 http://www.competitivecyclist.com/za/CCY?PAGE=FIT_CALCULATOR_INTRO marksbicycle bike fit calculator https://pinboard.in/ https://pinboard.in/u:marks/b:5fb793ba0406/ 2011-01-08T02:22:30+00:00 http://www.guardian.co.uk/news/datablog/2011/jan/07/london-cycle-hire-million-journeys marks borisbike london traffic bicycle data visualization https://twitter.com/ https://pinboard.in/u:marks/b:d6d4bccb9885/ 2010-01-23T23:21:08+00:00 http://nymag.com/news/intelligencer/57071/ markstimessquare newyork copenhagen urbanism bicycle https://pinboard.in/u:marks/b:a63abb3df8a2/ 2009-12-21T12:42:28+00:00 http://copenhagenlayer.org/ marksdata sensors environment bicycle layar https://pinboard.in/u:marks/b:b658be8310c8/