Fernanda Ibarra is a visionary of virtual communities of practice, who wrote in the Club of Amsterdam Journal "The main source of value creation is shared knowledge and collective intelligence, not land, labour or capital. It is that shift in the basis of value creation, what propelled virtual communities in the limelight as collective players with largely untapped potential for radical innovation."
She has just commented (see below) on my entry about Collective consciousness: a “peer to peer” phenomenon?, which inspired me to learn more about her thinking.