To try to find out the truth, I contacted some old Microsoft hands who were around in the heyday of DOS. The replies were unanimous that Microsoft NEVER attempted to damage 1-2-3's functionality within DOS. Quite the opposite, in fact. [...]
FWIW.
Lots of comments, as you might imagine. (An amazing amount of comment spam too.)
Via [link|http://www.pbs.org/cringely/pulpit/pulpit20060323.html|Cringely]'s article on IP Multicasting.
Cheers,
Scott.