It seems like a graduate thesis that got stretched to book length for publication in hopes of drafting the popular slipstream of writers such as Malcolm Gladwell. To view it, click here. It is NOT at all about promoting sheep mentality and, in fact, reports how that kind of thinking occurs and what can be done to avoid it. These do not necessarily make for riveting reading particularly when Surowiecki loses track of his examples and speaks in abstractions , but it does make for an interesting subject to study. There were choices in both the examples of the car and the wooden tracks.