"Migration is a widespread human activity dating back to the origin of our species. Advances in genetic sequencing have greatly increased our ability to track prehistoric and historic population movements and allowed migration to be described both as a biological and socioeconomic process....

As we move into the 21st century, the world seems a smaller place - transportation costs continue to fall, fiber optic networks speed information around the planet, and corporations operate on a global scale. One might reasonably ask whether location really matters anymore. Despite these trends...