Out soon: It Came from Something Awful: How a Toxic Troll Army Accidentally Memed Donald Trump into Office by Dale Beran.
“During the recession of the late 2000’s, the memes became political. 4chan was the online hub of a leftist hacker collective known as Anonymous and a prominent supporter of the Occupy Wall Street movement. But within a few short years, the site’s ideology spun on its axis; it became the birthplace and breeding ground of the alt-right.”

