“Slack is starting a podcast for some reason.” That was the headline of a recent Fortune.com article. Author Tom Huddleston, Jr. wondered why Slack, “a hot Silicon Valley company with a fast-growing valuation,” would “make the most of its ever-growing momentum” by launching a podcast. But to content marketers, Slack’s move isn’t surprising at all. The podcast world has recently exploded. Since 2008, the number of Americans tuning in each month has doubled—from nine percent to 17 percent in January 2015. And companies are paying attention. Many sponsor podcasts as part of their efforts to hook new customers; according to the Boston Globe, businesses will soon be…
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