There are a few advantages to a "just-in-time" learning philosophy, where you only learn stuff right before you use it or as you are using it. 1. You never was

There are a few advantages to a "just-in-time" learning philosophy, where you only learn stuff right before you use it or as you are using it. 1. You never waste your time learning something you never end up using. 2. Everything you learn is solidified by real-world practice right after you learn it. 3. There's little chance that you'll know the names of stuff without knowing what it is (http://patrickmylund.com/blog/why-i-love-the-khan-academy/ http://patrickmylund.com/blog/why-i-love-the-khan-academy/) or fall in to some other pseudo-learning trap. Of course this only makes sense for stuff that has a limited set of practical applications. For example, learning economics changed the way I think about everything. (Recommended textbook: http://introecon.com/ http://introecon.com/)