Powerful forces like globalization and the digital revolution are changing how, when, and where things are produced, purchased, and delivered. Look at how our shopping habits have changed in just the past few years. With your smartphone or tablet you can shop anytime, anyplace. Offshore production trends are reversing, and some manufacturing jobs are returning to the United States. And major urban areas continue to grow and link into a global transportation supergrid that connects people, commerce, and ideas.