TEDx might be largely garbage, but it has this talk which actually changed my life: https://www.youtube.com/watch?v=d0yGdNEWdn0
Strangely, this guy does not even promote his book. His book completely changed my mental approach to language learning. I highly recommend it to anyone who is learning a language.
A starting point for further reading: http://tedx.tumblr.com/post/37405280671/a-letter-to-the-tedx...