Unsurprisingly, Khan Academy followers can’t get enough of the product: online education tutorials that are easy to use and, best of all, free.
The site has thousands of math and science tutorials, and a decent library of finance and history lectures too. The video lessons are delivered in digestible 10-20 minute chunks, with corresponding online exercises. Students earn badges at each level, including Khan Academy’s version of a Masters. According to the site, they’re great incentive to young Khan Academy users, who collect the badges like Silly Bands.
Founder Salman Khan’s story is a cool cubicle-breakout tale. The 33-year-old American quit his job as a hedge fund analyst to work, unpaid, on his educational videos. Khan’s YouTube project developed into the not-for-profit Academy. His site is especially popular with high school and university students, with a million students accessing materials each month.
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