Selling Slack seems like a mistake. It's so ubiquitous. I'd be interested in buying stock in Slack if they IPO. Snapchat was in a similar situation, and four or so years ago when they turned down Zuck's ~$5B offer everyone was saying what a silly mistake it was not to sell. How could Snapchat possibly make money? And think of all the disheartened employees whose shares would've been worth something. Turns out there's…
How could Snapchat possibly make money?
They never did, and they probably never will (they even acknowledge this in their IPO filing).