In the world of business communication, Slack has emerged as a game-changer. This platform has revolutionized the way teams collaborate, making it easier than ever to share ideas, files, and feedback in real-time. But how did Slack come to be? Who are the brains behind this innovative tool? And how does it generate revenue? In this article, we delve into the background of Slack, its founders, its revenue model, and more.

The Background of Slack

Slack, an acronym for ‘Searchable Log of All Conversation and Knowledge’, was launched in August 2013. However, the idea for this platform was born out of necessity. The founders were working on a now-defunct online game called ‘Tiny Speck’, and they needed a way to communicate effectively. They developed an internal tool that would later evolve into Slack. Today, Slack is used by millions of people worldwide, from small businesses to large corporations.

The Founders of Slack

Slack was co-founded by Stewart Butterfield, Eric Costello, Cal Henderson, and Serguei Mourachov. Butterfield, who serves as the CEO, has a history of creating successful products. He was a co-founder of Flickr, a popular photo-sharing website acquired by Yahoo. Henderson, the CTO, also worked on Flickr. Costello and Mourachov, both software engineers, were part of the original team that developed the communication tool for ‘Tiny Speck’.

Slack’s Revenue Model

Slack operates on a freemium model. This means that users can access the basic features of the platform for free, but they have to pay for additional features and capabilities. Slack offers several subscription plans, including Standard, Plus, and Enterprise Grid, each with its own set of features and pricing. The company also generates revenue from partnerships with other software providers.

Slack’s Growth and Success

Slack’s growth has been nothing short of phenomenal. In just a few years, it has grown from a simple communication tool to a platform that integrates with hundreds of other applications. As of 2020, Slack had over 12 million daily active users and over 119,000 paying customers. The company went public in 2019 and was acquired by Salesforce in 2020 for $27.7 billion, marking one of the largest software acquisitions in history.

Slack’s Impact on Business Communication

Slack has had a profound impact on business communication. It has made it easier for teams to collaborate, regardless of their location. With features like channels, direct messages, and file sharing, Slack has made communication more organized and efficient. Moreover, its integration with other tools like Google Drive, Trello, and Zoom has made it a one-stop solution for many businesses.

In conclusion, Slack’s journey from a simple internal tool to a multi-billion dollar platform is a testament to its innovative approach and its ability to meet the evolving needs of businesses. Its founders’ vision, its freemium revenue model, and its impact on business communication have all played a role in its success. As Slack continues to grow and evolve, it will be interesting to see how it shapes the future of business communication.


Alex likes to write about anything related to technology, marketing and gadgets. He sometimes reviews the latest tech and also writes on other blogs.