I’m no expert on dirty media, but thank goodness our guest Rachel Plotnick is. Ever notice how dirty your devices get? Ever find spots on your laptop or smears on your smartphone? Well, according to Plotnick, an assistant professor at IU's Media School, that grime means a lot more than you might think. Listen in on what dirty devices tell us about our lives, expenses, and future.

Special thanks to host Avi Forrest and producer Natalie Ingalls. Original music was created by Avi Forrest and Natalie Ingalls.