I love listening to podcasts while working. Sometimes listening to music just won't cut it. Movies and shows often require too much attention (if they're good) or bore me to death (if they're not). Podcasts are the perfect thing–they update regularly, the talking is often conversational and easy to listen to, and you can learn/get inspired/be entertained for absolutely free.
That said, I wanted to make an illustration for my most beloved podcast, Back to Work. Dan Benjamin and Merlin Mann are the hosts for this fantastic thing, and they do an extremely good job of making sure their listeners learn/get inspired/be entertained for at least an hour of the week.
Incidentally, the lastest episode "Failure is ALWAYS an Option" is one of my favorites. I won't say more. Spoilers, you know.