There are some 600 million cars in the world. Airports in the United States launch tens of millions of flights every year. As a society, we've never been satisfied with staying in one place. In our latest Transparency, we take a look at the way people -from earliest man to the present day and beyond-have been getting from place to place and how long it has taken them to get there.A collaboration between GOOD and Robert A. Di Ieso, Jr.A version of this piece appeared on page 26 of GOOD 015: The Transportation Issue.