Echo Chamber Effects

It's conventional wisdom that the echo chamber effect has increased our political polarization.  Now, the math backs it up.  Even our affinity search engines contribute to the effect. They tend to recommend articles that are similar to the ones we like to read.  Before too long, all you see are things that mesh with your own point of view.  The lesson here is that if we are going to govern for all the people, we need to make the significant effort to read the stuff from the other viewpoint and try to understand how other folks see the situation.