But he's a cybershaman nevertheless, with his own big idea and his own best-selling book.
Virtual communities earn revenue from both advertising and sales.
Business Week has it wrong. Hagel frankly admits it. But Hagel and Armstrong say McKinsey's client work and computer modelling show that while it won't happen overnight, it will happen. This sort of ambitious medium-term prognostication should have a hefty justification. It recognises that in some parts of the economy, the first firms into a field can gain a lead which is abnormally difficult to overcome.