Have you ever listened to audio books.
I think it's fun and interesting and useful.
For example we can use it in many situations like in bus or subway or even walking.
With audio books I've listened to many books like orange girl has written by Josetin Gaarder and Cime and punishment has written by fyodor dostoevsky and steve jobs and collection of harry potter and so many books
I recommend you all listen.
I prefer using podcasts no longer than 20min long. My atention is not too long and listening in English is something that requires a lot of atention, so it is not that easy (for me) to understand everything and it is a matter of a minute to get distracted and start thinking of other things so the audio becomes a background noise.
In a an audiobook you must understand what it is read everytime you listen. On the other hand, I am "changeable" person and I might fancy a talk about economics today but I might want to listen an interview tomorrow. Anyway, good for you if you enjoy them!