It used to be that an Ivy League education was reserved only for those with vast fortunes, family connections, or stellar grades. However, much of academia's top curricula are now available online, free for anyone with an inquiring mind to see. Here's how the Internet became one of the best places to get an education.

http://www.coursehero.com/blog/2012/05/31/infographic-a-history-of-open-...