50 Best Websites 2010

From the helpful to the distracting, the big hitters to the unknowns, TIME offers a road map to the best of the Web

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MIT OpenCourseWare

50 best websites mit open courseware

Only a select few of us will ever attend MIT. But that doesn't mean we can't learn a thing or two. Mimicking the principle of open-source software, MIT OpenCourseWare offers many class materials for free, with lecture notes, class assignments, tests and even the audio and video of professors' lectures. It will take some time and effort to get up and running with the courses and related materials, but so too does applying to MIT. (See the MIT OpenCourseWare mobile app.)

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