I do this with audiobooks all the time. It's easier to passsively listen to books I've already read since you can miss parts and still know what's going on. I

I do this with audiobooks all the time. It's easier to passsively listen to books I've already read since you can miss parts and still know what's going on. I never really intended to "learn" the books, but I've definitely noticed improvements in how much info seems to be available in my active memory. Really quite useful as it lets you connect related concepts in meetings and chatting much faster. Seth Goden just wrote a blog post about it actually: http://sethgodin.typepad.com/seths_blog/2015/02/can-sound-waves-change-your-life.html http://sethgodin.typepad.com/seths_blog/2015/02/can-sound-wa...