By Ole Kristian Aamodt

Social media sites like Facebook and twitter makes it easier than ever to connect us to the
people around us. Facebook have algorithms to personalize content for each user based on
what the user’s interests and what they are browsing. This makes it easy for us to find other
people with similar opinions, views and interests. There are concerns that these factors can
lead to “echo chambers” and increased political polarization.

Full text: http://info207.w.uib.no/files/2020/09/How-Homophily-in-social-networks-can-increase.pdf