Linking is automated. Put graphics inside documents or link to them. Documents do not have to be re-read to assist in interpretation. Keep everyone focused and on task with pre-determined patterns of links. Comments and remarks can be anonymous.
Accountability is easy to monitor.
Those on a budget can afford it. Accessible over the Internet. Everyone can access the information from home or while they are out of town. Better than the Web because everyone creates the pages without writing markup code Simple support requirements. Can operate in Local Area Networks.