The podcasting market is experiencing a renaissance, in part due to how easy it is to make podcasts these days and how YouTube has made dreams of popularity come true for once small-time creators. But that rebirth has also caused an explosion of podcasts that have ironically made it more difficult to enjoy those audio content. How do you pick the best ones and, even after that, how do you find enough time to listen to them all? You don’t. Instead, you let Shortwave, the podcast experiment from Google’s Area 120 labs, do the picking and cutting for you.