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A Look Back: Slack at $30,000,000 in ARR

SaaStr

And we ended the day with an incredible combo of the hottest app at that time (and one of the hottest ever), Slack, who likely was around $30m ARR or so … and hadn’t yet added a sales team! We started development in early 2004. It was early 2007 the iPhone was announced. Slack for Business?

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