What is so special about the computer is that it combines the function of several existing media interactively. It can function like a book or library, providing access to information, while it simultaneously functions like a telephone, enabling two-way communication. It takes a quantum leap beyond these media in the quantity of information it can store and provide, and in the level of connectedness it can sustain. The single, overwhelming reason computers are being adopted everywhere is their impact upon connectedness. Computers vs. Phones .
Computers increase the quality, the character, the consistency, and the continuity of conversation.
Messages are conveniently sent from one individual to a group. Delivery times can be specified. Messages can be regularly sorted by sender, by recipient, by topic, by date. Archived dialogue can be selectively retrieved by various search engines. Through enhanced communities, computers enrich collaborative learning.