Facebook use polarizing? Site begs to differ
The New York Times - 05/07/2015
Some academics said Facebook was always tweaking the News Feed and could easily make changes that would create a more sealed echo chamber.
“A small effect today might become a large effect tomorrow,” David Lazer, a political scientist at Northeastern University who studies social networks,wrote in a commentary on the Facebook study also published in Science. “The deliberative sky is not yet falling, but the skies are not completely clear either.”