The American workforce might want to pay attention to all those brown trucks full of cardboard boxes. UPS is using technology in ways that may soon be common throughout the economy.
On the surface, UPS trucks look the same as they did more than 20 years ago, when Bill Earle started driving for the company in rural Pennsylvania.
But underneath the surface, Earle says, the job has changed a lot. The thing you sign your name on when the UPS guy gives you a package used to be a piece of paper. Now it's a computer that tells Earle everything he needs to know.