Listening to free college lectures can help you learn the latest developments in a particular field, refresh your memory on a topic you studied previously, expose you to new ideas taught from someone else's perspective, and give you an alternative to listening to the same collection of digital music files over and over again.
If you're currently in college, listening to lectures from other professors in other universities can help you learn even more about a specific subject by reinforcing different concepts. If you're not currently attending college, listening to college lectures can be a pleasant diversion to help you keep your mind active while you explore a new field from the convenience of your Macintosh computer.
With free access to some of the best minds in the country, you should take advantage of this unique learning opportunity made available by iTunes.