Slack is a business collaboration tool with an emphasis on messaging that has become hugely successful since its launch in 2013. Credit: Slack Technologies, Inc.
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Slack is a business collaboration tool with an emphasis on messaging that has become hugely successful since its launch in 2013. Credit: Slack Technologies, Inc.

Do you Slack? It’s all right; it might mean you’re being really productive.

Since it was introduced in late 2013, Slack, a piece of internal team collaboration software with an emphasis on messaging, has skyrocketed in popularity, especially at media companies and tech startups. The San Francisco-based company behind it includes some of the principals that created Flickr — and it's valued at about $2.8 billion, according to an Inc. write-up naming Slack Company of the Year.

CEO Stewart Butterfield will speak at South by Southwest Interactive in March to talk about the company's success. One indication that it's becoming ingrained in tech and media culture: When employees at Gawker Media were laid off recently, the first indication that something was amiss was that their Slack accounts were disabled.

In this space every week, we’ll define a tech term, offer a timely tip or answer questions about technology from readers. Email ogallaga@statesman.com.