[Air-l] History of Instant Messaging

[Karim R. Lakhani]

Naomi,

You may want to look into MIT's implementation of Zephyr IM on Project 
Athena workstations.

http://web.mit.edu/olh/Zephyr/Revision.html

The earliest appears to be 1990.

hth
K

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Karim R. Lakhani
MIT Sloan School of Management
MIT Free/Open Source Software Research Project
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