Ever want to attend a world-class university like Stanford or Harvard but don't have the time, opportunity or grades? Now, thanks to the magic of podcasts, all you need is a portable audio player and an Internet connection to enjoy the growing body of online lecture courses provided for free by top colleges. As the podcast snowball continues rolling - podcast users accounted for 12 percent of the Net's population in 2006 - universities are beginning to jump on the bandwagon. Now, everyday folks around the world can listen to lectures like "Geography of World Cultures," "The Historical Jesus" or "European Civilization From the Renaissance to the Present" during a jog or a long commute.

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