Public network computing. It's easy to see how most of these fit. Telecommuting, remote office, Internet, Web, home broadband, wireless and mobile all depend on the public telecom network. ISDN is part of its infrastructure, and ATM soon will be too. E-mail was the first killer app.
Electronic commerce is the funding mechanism.
Multimedia is the content that will bring in the new nodes. Agents, objects and metadata will facilitate it. Cost-effective network management wil l finally be enabled by it. Its focus was the organization. While there were always WANs attached to the enterprise, they were definitely on the periphery.