"To be honest, the Net today is still pretty primitive. We're still in the stone age when it comes to serious networking, " said Vint Cerf, Chief Scientist at MCI, speaking at the Intel Developer's Forum in San Francisco. "There's a great deal more to done," he said, especially in terms of network architecture. To begin with, the Internet will need to scale to accommodate the other 5 billion people on the planet not yet connected. There will also be a far greater number of network-enabled devices and a whole new set of applications (entertainment,...