They’re called “Podcasts”

Before a podcast was a “podcast,” it was… well, it wasn’t really much of anything. A few of the early believers called them “audio blogs,” and the journalist often credited with coining the term “podcast” also offered “GuerillaMedia” as an alternative in the very same article. (And actually, there’s plenty of debate over exactly who coined the term and when. The history of the podcast is more contentious than you’d think.)

It was in 2004, though, that many of the earliest names in on-demand...