It was a magical day at the office. And by the office, I mean Slack, the $5 billion company that brought work into an online chatroom. The entire Fast Company staff learned almost at once that they ...

Last week, and with much fanfare, Slack announced that it would sell itself to tech behemoth Salesforce for a whopping $27.7 billion. By many measurements, this should be an incredible achievement and ...

Slack cofounder Stewart Butterfield said that employees should have a "perpetual desire to improve." ...

Slack and Flickr cofounder Stewart Butterfield says even CEOs and directors are guilty of doing “fake” work—and it‘s on ...

Stewart Butterfield, co-founder and chief executive officer of Slack Technologies, will depart from his role in January, according to the company's owner Salesforce. Butterfield helped establish Slack ...

Slack has launched a new direct-messaging feature that allows people from different companies to talk to one another. No problems there, right? The service is opt-in, in that you’ll have to approve ...

NEW YORK (AP) — The Latest on Slack's IPO (all times local): 12:30 p.m. Shares of work messaging platform Slack have begun trading on the New York Stock Exchange under the ticker "WORK." The San ...

Slack is betting big on AI “agents,” parent company Salesforce announced Monday. The messaging platform is set to incorporate artificially intelligent task-masters into a new interface that will offer ...

As Slack passes six million daily users, Stewart Butterfield's company is opening up its messaging platform to multi-company use to keep it up. Slack might be outgunned in a duel with Apple's new ...