We’re nearly two decades now into the e-commerce era. Shop everywhere! Shop from your phone. Shop from your tablet. Shop (during your breaks, of course) from your work computer. But all that online shopping shares one thing in common: unless 3D printers become a lot more like Star Trek‘s replicators, and a lot more affordable, all those goods ordered in the cloud have to get to actual consumers on good, old-fashioned planes, trains, and trucks. [More]