America is becoming more polarized in part because...

America is becoming more polarized in part because of Google’s algorithms which show us only relevant search results, which in turn means that we see only what we agree with – also referred to as confirmation bias. So the problem of polarization, also described brilliantly in Cass Sunstein’s book Going to Extremes: How Like Minds Unite and Divide is increasing because of technology’s push toward relevancy – giving us what we want and what we agree with…

…It is not the editorials and the opinion pieces that are causing the polarization, it is the entire spectrum of more sophisticated technology and the instant availability of diverse information and opinion that allows us, even motivates us, to seek out only those facts, information, and opinions that agree with our view of the world and our own multiple biases.

Charlie Warner, MediaBizBloggers, Newspapers Should Stay in the Opinion Business - Radio, TV Stations, and Networks, Too.