Slack CEO Vows to Kill ‘Company Email’ by 2026 Ahead of $16 Billion Float

Slack CEO Stewart Butterfield has triggered a countdown to end company emails. | Source: (AP Photo/Richard Drew

By Slack makes its debut on the NYSE Thursday. The popular digital team collaboration platform is going public with a $16 billion valuation, at a starting price of $26 per share set Wednesday. And ahead of its IPO, the CEO says his plan is to completely replace company email altogether.

Here’s why Stewart Butterfield thinks that will happen over the next five to seven years:

Why Businesses Are Moving Away From Email

Butterfield compares email to Slack and finds email wanting. Email offers its users a “partial, fragmented view” of their collaborations with the rest of the company.

Slack solves this problem with a channel-oriented platform. Firstly, this creates more openness and transparency. It’s more accessible, and more team members see more of the same thing. Furthermore, it stores a public record of the company’s work.

In addition, when new members join the team, they have the written history of an entire operations and projects legacy to scroll through.

That sounds wildly ambitious, but it’s not really when you look at the data and the culture surrounding the use of Slack.

Slack is Already a Verb

As’s senior correspondent, Amy Scott notes at NPR, Slack has already become a verb at organizations that use it, as in: “I’ll Slack you.”

It’s a nearly self-evident axiom of marketing that once your brand becomes a verb, you’ve won big time. In holding this distinction, the collaboration startup joins such highly valued brands as Google, Xerox, Skype, TiVo, and FedEx.

The hard data backs Butterfield’s claim as well.

Pre-IPO Slack at a Glance

Ahead of its IPO (which is technically a direct listing raising no new funds), the company boasts 10 million daily active users. They send a billion messages every week. 3 million of those accounts are paid. 65 of the Fortune 100 use Slack.


Last modified: September 23, 2020 12:47 PM

W. E. Messamore: Markets Contributor for CCN living in Nashville, Tennessee. Bachelor of Business Administration from Belmont University in 2009 (majored in Entrepreneurship). Organized Senator Rand Paul's first and second online fundraisers in 2009. Roving editor for the Independent Voter Network since 2013. Email me | Link up with me on LinkedIn | Follow Me on Twitter (followed by: fmr Rep. Ron Paul (R-TX), Sen. Rand Paul (R-KY), fmr NM Gov. Gary Johnson, and Rep. Thomas Massie (R-KY))