Knowledge@wharton

Networking services – Internet companies that let users share personal profiles as a way to make social and professional contacts – are the hot e-businesses of the moment. Close to two dozen of these online communities are furiously recruiting members who in turn recruit their friends relatives co-workers and just about anyone seeking an introduction to or reference from someone who might matter. But it’s still too early to measure how successful these sites are at matchmaking – or making money. See acast.com/privacy for privacy and opt-out information.