The incredible story behind Slack, the app that’s taken over offices everywhere


Slackis expected to go public today with a direct listing, rather than a traditional IPO

On the New York stock Exchange, Slack could have a $15.7 billion valuation

Co-founder Daniel Stewart Butterfield explains how the workplace chat app started from a failed video game.

See also:

Slacks $17 billion direct listing could be the IPO game-changer silicon valley has been waiting for. But others say it’s a techie delusion.

Slacks unusual offering likely won’t have a first-day pop. Here’s why most IPOs still factor in a pop, even though they can cost startups billions.

Here’s why phone companies like Verizon and AT&T charge more for extra data.