Slack celebrates 1st anniversary, tops 500,000 daily users

Slack desktop

With a year under the belt, Slack is not slacking off. The communication tool that was started by Flickr founder Stewart Butterfield in Vancouver, now located in San Francisco, recently raised $120 million, for a post-funding valuation of $1.12 billion.

Slack announced on its blog that today — February 12th — is its first anniversary and the company has seen massive growth, now topping 500,000 daily users in more than 60,000 teams. Slack noted its total user base spends over 100 million hours connected to the service, sending 300 million messages – Toronto is the 6th city that has the most active Slack users. Slack started off with 16 people and now has grown to 106 employees, of which 26 are located in Canada.

Below is a chart of its rapid growth and an infographic.

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Ian Hardy

Ian Hardy

Ian is the Director of Partnerships for BetaKit. He's been quietly creating and building things for years and is completely addicted to Tim Hortons.