Introduction Just the other weekend, I had to exchange contact details using quite primitive means with a fantastic new friend after a deeply enjoyable hike up Table Mountain via the India Venster route. We could not get the flashy new iPhone-bump method to work. Although the animation triggered with each bump, no contact details were exchanged, a failure which caused the Android user at the table much mirth. That incident drove me to retrieve some old Python code I had written to try out Seg...
