today, that number has skyrocketed to more than 30 million (Roose 2018). It is
true that some of the ﬁndings in this chapter refer to mechanisms that are a core
component of human behavior – for example, biased information processing or
the structure of social networks. However, studying a constantly shifting
environment may mean an inability to understand the scope conditions under
which those mechanisms hold.
Social_Media_and_Democracy