What happens when a graduate of MIT, the bastion of technological advancement, and his bride move to a community so primitive in its technology that even Amish groups consider it antiquated? Eric Brende conceives a real-life experiment: to see if, in fact, all our cell phones, wide-screen TVs, and SUVs have made life easier and better -- or whether life would be preferable without them. By turns, the query narrows down to a single question:...