And what Slack's numerous competitors are proving is that Slack's total absence of any new or challenging technology has made it easy pickings for duplication.

And what Slack's numerous competitors are proving is that Slack's total absence of any new or challenging technology has made it easy pickings for duplication. Slack remains competitive in the face of copy cats only because of its current user engagement. Thus, the threat from Microsoft and other behemoths who can effectively purchase users is very real.