<div id="ooyalaplayer" style="width: 800px; height: 450px;"></div><div style="display:none;" id="kalturavideoplaceholder">kalturavideoplaceholder</div><div></div><div><div><script src="https://apis.google.com/js/platform.js"></script><div class="g-ytsubscribe" data-channelid="UCUz1WSec8uasVaRDU19SVnQ" data-layout="full" data-count="hidden"></div></div></div><p class="embed-spacer"></p><p class="embed-spacer">Slack - a messaging and productivity app taking the world by storm - almost didn't exist. Its origins lie in a failed video game.</p><p class="embed-spacer"><em>Produced by Matthew Stuart</em></p><p class="embed-spacer"><strong>Follow BI Video:</strong> <a href="https://www.facebook.com/BusinessInsider.Video">On Facebook</a></p>

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How Slack became the $2.8 billion messaging app taking over offices in America

kalturavideoplaceholderSlack - a messaging and productivity app taking the world by storm - almost didn't exist. Its origins lie in a failed video game.Produced by Matthew StuartFollow BI Video: On Facebook

kalturavideoplaceholderSlack - a messaging and productivity app taking the world by storm - almost didn't exist. Its origins lie in a failed video game.

How Slack became the $2.8 billion messaging app taking over offices in America

Matthew Stuart

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