"It started in Boston’s South Station in November 2006 where one night, while waiting for the Chinatown bus to New York, I wrote the first lines of code of what eventually became Dropbox. I had forgotten my USB drive at home and was frustrated that I couldn’t get any 'real work' done."

Ha, classic 'founder story' as discussed 7 days ago: http://news.ycombinator.com/item?id=294663