For people who enjoyed this article, I highly recommend Duncan Watts' book "Everything is Obvious" [1]. Its basically the thesis of this article expanded out over the course of a book with a lot of interesting examples and lessons drawn from scholarship (both Watts' own work and many others).

[1]: http://www.amazon.com/Everything-Obvious-Common-Sense-Fails/...

>We like to project an unsurprised, unperturbed, and confident attitude. But thinking "I knew it all along" can...

For anyone who's interested in these topic and how people behave when facts are presented in one way or another, take a look at this book. In my opinion, it's completely worth reading this book.

http://www.amazon.com/Everything-Is-Obvious-Common-Sense/dp/...