How Many Hours Do You Listen to a Podcast?

How many hours do you listen to a podcast on an average week? What you would consider podcasting? Should we break down podcasting? Does podcasting have an actual definition? Is it only. audio or can't be video, but mostly audio just comes out with some regular frequency. If your interest is how do people consume media, we could ask like about these things. But let's stick with what we have because I think we're going to get too confusing.