It seems like podcasts have been this great "new" medium for a while now, long after their introduction in 2004 and their subsequent explosion in popularity. Based on the most recent statistics, it's projected there are currently somewhere between 115,000 and 150,000 unique English language podcasts available for download, most of which are free. That's right, no cost for, in many cases, over an hour of audio or video content ranging in topics like news, comedy, society, business, and religion.

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