I have been participating in the "History of the world since 1300" at Coursera and find the content absolutely fascinating.<p>What are the other online courses that you can recommend to a fellow hacker?
I've done an AI course at Udacity - <a href="https://www.udacity.com/course/cs271" rel="nofollow">https://www.udacity.com/course/cs271</a> - I found it pretty good if you are interested in learning the very basics of AI