"Here are two kinds of technology critics. On one side are the determinists, who see the history of technology as one of inexorable progress, advancing according to its own Darwinian logic—the wheel, the steam engine, the autonomous car—while humans remain its hapless passengers. It is a fatalistic vision, one even the Luddite can find bewitching. “We do not ride upon the railroad,” Thoreau said, watching the locomotive barrel through his forest retreat. “It rides upon us.” On the opposite side of the tracks lie the social constructivists. They want to know where the train came from, and also, why a train? Why not something else? Constructivists insist that the development of technology is an open process, capable of different outcomes; they are curious about the social and economic forces that shape each invention..."