This Forbes article, mostly: http://viewtext.org/article?url=http%3A%2F%2Fwww.forbes.com%2Fsites%2Fvictoriabarret%2F2011%2F10%2F18%2Fdropbox-the-inside-story-of

This Forbes article, mostly: http://viewtext.org/article?url=http%3A%2F%2Fwww.forbes.com%2Fsites%2Fvictoriabarret%2F2011%2F10%2F18%2Fdropbox-the-inside-story-of-techs-hottest-startup%2F&format= http://viewtext.org/article?url=http%3A%2F%2Fwww.forbes.com%...