ON-LINE COMMUNITIES offer a powerful way to uncover, exchange, share, and most importantly, leverage the knowledge available throughout an organization. Yet they require considerable investment—not only in the time and energy that running a good community demands but also in the infrastructure that allows the community to operate constantly and without interruption.

Of course, on-line communities would not be possible without information technology. Certainly, IT has had an incredible impact on the way companies do business. Despite its relatively recent origins, the business community would now be lost without all the advantages it offers. While IT isn’t everything, little progress will be made without ...

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