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Re:Twitter Hits 50 Million Tweets Per Day and GROWING. by stingraycharles on Monday February 22, 2010 @04:35PM (#1143791)
Haven't we been doing that for ages with things like MSN/AOL messenger? Isn't this just an extra means of communication, instead of a replacement as you're suggesting?
Re:Twitter Hits 50 Million Tweets Per Day and GROWING. by dlsspy on Monday February 22, 2010 @08:09PM (#1144283)
Before there was ICQ, AIM, YIM, and AOL instant messenger, there was talk, zephyr and other distributed instant message systems that worked just fine over the internet.

After, there's XMPP.