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Tangentially related: Squeak has long included a remote collaboration tool called Nebraska (http://wiki.squeak.org/squeak/1356 http://wiki.squeak.org/squeak/135
by kencausey 8y ago
Tangentially related: Squeak has long included a remote collaboration tool called Nebraska (http://wiki.squeak.org/squeak/1356 http://wiki.squeak.org/squeak/1356) that, if I recall correctly, supported multiple mouse cursors (referred to as 'hands' in Morphic).
This of course may be due the original development of Squeak as a direct descendant of Smalltalk-80 (via Apple) by Alan Kay and Dan Ingalls among others who were I'm sure more than familiar with the work of Doug Englelbart.