24 Killer Websites that Make You Cleverer

A great article by  that you can find here  Here are the ones I found especially interesting.

  • Duolingo – Learn another language
  • Khan Academy – A fantastic way through youtube to learn about interesting subjects.
  • MIT Open Courseware – free college courses online
  • Investopedia – the subject says it all
  • Quora – find experts to ask about almost anything
  • Geography IQ – select any country and access virtually every facet of useful information
  • TED – my favorite site on this list. Superb talks by interesting people from around the world.