thankfully MIT open courseware recorded one of his classes <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=-pb3z2w9gDg" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=-pb3z2w9gDg</a> the society of mind class 6.868