Podcasts and meditation are fine suggestions. You could also enter things like foreign or programming languages or whatever else into your long-term memory wit

Podcasts and meditation are fine suggestions. You could also enter things like foreign or programming languages or whatever else into your long-term memory with spaced-repetition software like Anki. Like so: http://augmentingcognition.com/ltm.html http://augmentingcognition.com/ltm.html