[...] Networks and Networking – It begins with a critical review of the literature on knowledge management, arguing that its focus on IT to create a network structure may limit its potential to promote knowledge sharing among social. [...]…

Thank you for the pointers to Drucker. For those looking for the Business Week article, here is the direct link Bob indicated.
As always, Drucker is quite insightful and very direct. Here is a telling quote from the article, which I enjoyed reading:
“In this country we by and large still believe that entrepreneurship is having a great idea and that innovation is largely R&D, which is technical. Of course we know that entrepreneurship is a discipline, a fairly rigorous one, and that innovation is an economic not a technical term, and entrepreneurship creates a new business. That’s not news. In fact, it’s what made Edison so successful more than a century ago. But American businesses with few exceptions—Merck, Intel, and Citibank come to mind—still seem to think that innovation is a “flash of genius,” not a systematic, organized, rigorous discipline.”