Business networks play a key role in the age of the (business) customer, underpinning B2B eCommerce; connecting buyers and suppliers to exchange purchase orders (POs), invoices, and supply chain documents; and providing venues for collaboration. CIOs and their business partners face more network options as differences blur between networks in terms of industry focus, direct versus indirect goods, and transaction visibility. But new specialization in networks makes the choice of which to use more challenging. This report helps decision makers find the right networks for their firms.