> Let's use TV as an example. So yep, if you spend your time on one of those cable channels where you watch rich people all the time, pretty soon it's not that you'll understand how rich people live, it's that pretty soon you'll start believing that it is better to live like they do.

In Brazil and India, rich people on soap operas don't have many kids; sure enough, when you correlate the opening of TV stations with birth rates... http://www.overcomingbias.com/2009/10/fertility-fall-still-p...