Descripes how the PLE contrasts with Learning Design (LD). Like AI, LD requires knowledge Acquisition, subject matter experts, and knowledge representation. But the modern world - and modern learning - are too chaotic for this to work. Instead, learning is like pattern recognition. Audio Recordings from 2007: - 2:00 p.m. , - 3:00 p.m. keynote
Audio also here http://streamarchives.net/node/84 and here http://streamarchives.net/node/83