Groups become more extreme and entrenched in their beliefs and polarized from others when members only exchange information that reinforces their views and filter out all else or never learn of alternatives. Thus they narrow their options, and magnify each other's prejudices and misconceptions. This trend leads to blind spots in decision making and to extreme behavior, even terrorism.
Cass SunsteinThe 'cash for clunkers' program was a big success in part because it gave people the sense that the economy was moving.
Cass SunsteinThere are some lawyers who think of themselves as basically instruments of whoever their clients are, and they pride themselves on their professional craft
Cass SunsteinThe opening scene in A New Hope, when you see the huge ship, it goes on, and on, and on, and on, and on... that is like a joke of awesomeness.
Cass SunsteinRumors are nearly as old as human history, but with the rise of the Internet, they have become ubiquitous. In fact we are now awash in them. False rumors are especially troublesome; they impose real damage on individuals and institutions, and they often resist correction. They can threaten careers, policies, public officials, and sometimes even democracy itself.
Cass Sunstein