I find that when I mention in conversation that I heard something on a podcast, I get a blank stare most of the time. Simply put, podcasts are audio and in some cases video shows which are posted with an RSS subcription feed, so that you automatically get the new episodes as they become available.
Podcasts have yet to completely hit the mainstream, even though programs such as iTunes make it easy to find, subscribe to and listen to them. There are audio-only podcasts, as well as video podcasts. I prefer audio for use in the car, where its probably better not to have the distraction of video. Here's a quick guide to get started:
1. Open iTunes and click on "iTunes Store" in the left navigation panel:
