Web Marketplaces that REALLY WORK: The best new online exchanges are different from the old public B2Bs--They're private and they're profitable.

Reports on Internet marketplaces for business to business services. Prediction that B2B online sales will increase rapidly; Changed role of the Internet in business; Companies building their own exchange services such as Heritage Environmental Services, Intel, and Wal-Mart. INSET: Usinghte Web to Make Business Chemistry.