
Another Slack review?
When I started using Slack to collaborate with the team at Process Street, I could not tell you why it was so popular. I opened it, saw channels and messages, and thought: this is just chat. It took integrations to change my mind.
Slack now serves over 200,000 paying organizations and processes billions of messages each week. After Salesforce acquired the company for $27.7 billion in 2021, it became the default communication hub for teams that run serious operations. Its staying power is not hype. A well-known product-market fit study by Hiten Shah found that 51% of users would be “very disappointed” if Slack disappeared, the exact threshold that signals a product people genuinely need.






