For your consideration...http://www.podtrac.com/pts/redirect.mp3/twit.cachefly.net/FLOSS-039.mp3
Simon Phipps of Sun Microsystems was a guest on FLOSS Weekly. In it he had one of the clearest high level views I have heard expressed of what makes Open Source such a special phenomenon.
Spoiler: it is not about the code!
OpenSource = get(connections)