What is the least we need to achieve the most? With this question in mind, MIT graduate Eric Brende flipped the switch on technology. He and his wife, Mary, ditched their car, electric stove, refrigerator, running water, and everything else motorized or "hooked to the grid," and spent eighteen months living in a remote community so primitive in its technology that even the Amish consider it antiquated.

Better Off is the story of their real-life experiment to see whether our cell phones, wide-screen TVs, and SUVs have made life easier -- or whether...