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Slack Confirms It Raised $160 Million at a $2.8 Billion Valuation

Slack, the workplace tool, has raked in another $160 million in a funding round stacked with new investors, bringing its total capital war chest up to $340 million and a valuation of $2.8 billion. The company, led by CEO Stewart Butterfield, launched in February 2014 and has 750,000 daily users and 200,000 paid seats.

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