I think the category he means is chat-based collaboration with a ton of seamless third-party integrations. Enterprise collaboration is too broad and elides the differences between Slack and, say, email or a wiki.
Of course, you might agree with the person you're responding to and think the differences are being exaggerated. Personally that has not been my experience.
Of course, you might agree with the person you're responding to and think the differences are being exaggerated. Personally that has not been my experience.