Donate to MIT OCW.
Thinking about returning to work after an extended absence?
Contemplating a career change?
Want to brush up or stay current on a technology?
MIT OpenCourseWare OCW would be an excellent starting point. Since its announcement in 2001, MIT OCW has delivered MIT undergraduate and graduate courses to people around the world. As of June 2013, MIT OCW has 2,169 courses available. MIT OCW averages 1,000,000 site visits a month. Source: http://ocw.mit.edu/about/site-statistics
The idea is simple: to publish all of our course materials online and make them widely available to everyone. - Dick K.P. Yue, Professor, MIT School of Engineering
Dive in, browse the courses, and learn. Take a moment and share the knowledge with a friend.