With Slack’s IPO data and financials finally public, what is left to know about the app we all use and have been reading about for years? What’s interesting to know about Slack … that we didn’t already know? 🙂 Slack is obviously a rocketship going from $0 to ~$600m+ ARR (!) in 5 years (OMG), … Continue reading 5 Interesting Learnings From Slack. As It IPOs (er, Direct Lists).