Excellent piece pulling together theories, making them understandable and relating them to current practice and people. Possibly only missing Lave's concept of peripheral participation and community of practice. I have always assumed an affinity between the idea of a journey from periphery to centre of a community of practice and that journey across a ZPD
"one of the longest continuously running online galleries and e-zines dedicated to new media art, digital culture and philosophy; contributions by international artists and writers including Brian Eno, Yoko Ono, John Berger, Sean Cubitt, Susan Sontag..."
a large, excellently curated photography site, including slide shows and discussions of key issues in photography and representation in general; highly recommended; under tutelage of Pedro Meyer; take "tour" first