“It’s no accident that Iowa, where the first transcontinental railroad began, is now home to a huge data-center industry,” writes Ingrid Burrington in this article for The Atlantic.

Burrington, visiting the American town where the Union Pacific route for the first transcontinental railroad began, examines how networks follow networks, and that while these "ghosts" aren’t always obvious, they form an historical  infrastructure that has forged a literal and figurative path to our technological future.