Intranets Networking, which links people and departments within a particular building or across corporate offices, enabling them to share information and cooperate on projects, has become an important strategic tool for many companies. For example, an online data¬base called CareWeb that medical professionals access via a network at Beth Israel Deaconess Medical Center in Boston contains records of more than 9 million patients. Emergency room doctors can instantly review a patient’s past medical history, saving