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20 Things I've Learned From Traveling Around the World for Three Years

On March 13, 2007, I handed over the keys to my house and headed out to travel around the world with nothing but a backpack, my laptop and a camera. Here are some of the things I've learned.
08/23/2010 02:23pm ET | Updated February 19, 2013
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On March 13, 2007, I handed over the keys to my house, put my possessions in storage and headed out to travel around the world with nothing but a backpack, my laptop and a camera.

Three and a half years and 70 countries later, I've gotten the equivalent of a Ph.D in general knowledge about the people and places of Planet Earth.

Here are some of the things I've learned:

20 Things I've Learned From Traveling Around The World