http://heidiestrin.hipcast.com/deluge/9936d508-afd2-3f8e-7ff9-b03ba0319e59.mp3 Why Be Social? Part 1, Philosophy http://heidiestrin.hipcast.com/deluge/9936d508-afd2-3f8e-7ff9-b03ba0319e59.mp3 2009-08-19 http://www.odeo.com/uploads/0000/2099/serial_701595_medium.png