Could UPS and FedEx get holiday packages to their destinations faster? This research suggests yes

Every year, parcel delivery companies—think UPS and FedEx—hire tens of thousands of seasonal driver helpers to handle the deluge of presents that arrive with the holidays. At peak times, shipping firms depend on their helpers just as much as Santa depends on his elves. And those companies could save millions of dollars each year—and shave time off their deliveries—simply by tweaking the roles they gave those workers to be more efficient, my colleagues and I recently found.