This slide presentation was a keynote at the June 2007 EDEN Conference (Naples - European Distance and E-Learning Confernce) .  Unfortunately, as with all slide presentations, they are very pale imitations of the experience of being there... without the words they are almost hopelessly useless, but still  there are several of these slides that strongly resonate with my growing thoughts about social network and the implications of them that go beyond simple chat or 'keeping in touch". 

Slides 8, 10, 12, 16, 25, 27, 28, 30, 38,   give some pretty heavy duty thought invoking concepts that seem especially relevant to me in conjunction with this particlular Tangle on