Memes are taking the alt-right’s message of hate mainstream

Unless you live under the proverbial rock, you surely have come across Internet memes a few times. Memes are basically viral images, videos, slogans, etc., which might morph and evolve but eventually enter popular culture. When thinking about memes, most people associate them with ironic or irreverent images, from Bad Luck Brian to classics like Grumpy Cats.

Bad Luck Brian (left) and Grumpy Cat (right) memes.

Unfortunately, not all memes are funny. Some might even look as innocuous as a frog but are in fact well-known symbols of hate. Ever since the 2016 US Presidential Election, memes have been increasingly associated with politics.

Pepe The Frog meme used in a Brexit-related context (left), Trump as Perseus beheading Hillary as Medusa (center), meme posted by Trump Jr. on Instagram (right).

But how exactly do memes originate, spread, and gain influence on mainstream media? To answer this question, our recent paper (“On the Origins of Memes by Means of Fringe Web Communities”) presents the largest scientific study of memes to date, using a dataset of 160 million images from various social networks. We show how “fringe” Web communities like 4chan’s “politically incorrect board” (/pol/) and certain “subreddits” like The_Donald are successful in generating and pushing a wide variety of racist, hateful, and politically charged memes.

(And by the way, we’re happy to report that our work received the Distinguished Paper Award from the 2018 ACM Internet Measurement Conference!)

Receiving the Distinguished Paper Award in Boston on October 31st, 2018. (Please note the t-shirt worn by the 1st author, acknowledging 3rd author’s superior “soccer” knowledge.)

Our study uses images posted on Twitter, Reddit, 4chan, and Gab. (The latter is a Twitter-like social network positioning itself as a “champion” of free speech, providing shelter to users banned from other platforms—you might have heard of Gab in the context of the Pittsburgh Synagogue Shooting). We group visually similar images, using a technique called perceptual hashing.

Then, we identify groups of images that belong to the same meme and annotate them using “metadata” obtained from Know Your Meme, which is a comprehensive online encyclopedia of memes.

Visualization of the groups of memes obtained from /pol/, The Donald, and Gab. Memes with red labels are annotated as racist, while those with green labels are annotated as politics. The groups can be explored through the full, interactive visualisation.

This approach allows us to analyze different social networks through the lens of “their” memes. What we found was very revealing (and, at times, disturbing). Fringe social networks like /pol/ and Gab share hateful and racist memes at an impressive rate, producing countless variants of antisemitic and pro-nazi memes like the Happy Merchant, or including some version of Adolf Hitler in other images. Memes like Pepe the Frog and its variants are often used in conjunction with other memes to incite hate or influence public opinion on world events (e.g., ISIS or Brexit).

Also, fringe Web communities have the power to twist the meaning of specific memes, change their target context, and make them go viral on mainstream communities. A perfect example is the NPC meme, which refers to non-playable characters in video games that are controlled by computers. This meme was pushed on Twitter by 4chan and Reddit users in September 2018 and used in the political spectrum by referring to liberals as NPCs (i.e., people that have no critical thinking, bound by unchangeable programming, and are manipulated by others).

Measuring Influence

Looking at Web communities in isolation only provides a limited view of the meme ecosystem. Communities do influence each other: memes posted on one are often re-posted on another. So how can we measure the interplay between Web communities and quantify their reciprocal influence?

We turn to statistical models known as Hawkes processes, which let us say with confidence that a particular event is caused by a previous event. That is, we can be confident that an event on /pol/ (i.e., posting a meme) resulted on an event on Twitter (i.e., the same meme is posted on Twitter), thus denoting influence from 4chan to Twitter. This way, we can model the influence of the various platforms, since they are not independent: each one is influenced by the others as well as the greater Web.

An example of Hawkes processes with 3 processes and 4 events

We find that /pol/ is by far the most influential disseminator of memes in terms of the raw number of memes originating from it. In particular, it is more influential in spreading racist and political memes. However, The_Donald subreddit is actually the most “efficient” at spreading these memes onto other fringe social networks as well as mainstream ones like Twitter.

Looking ahead

While most memes are generally ironic in nature, used with no bad intentions, others have assumed negative or hateful connotations, including outright racist and aggressive undertones. These memes, often generated by fringe communities, have also become part of political and ideological propaganda. Shedding light on their origins, their propagation, and influence provides our society with a better understanding of the dangers they pose.

We have made our processing pipeline as well as our datasets publicly available on GitHub. We are confident this will allow researchers and social scientists monitor how weaponized memes might influence future elections and the broad political discourse.  For example, we worked with Facebook to help their recent efforts to mitigate manipulation campaigns during the 2018 US Midterm elections. In particular, we provided them, in real-time, with examples of politically motivated memes that were originated from fringe communities. Our work allowed Facebook to gain a better understanding of dangerous memes and monitor their spread through the platform in politically relevant contexts. Overall, our pipeline can be used by mainstream social networks to assist the identification of hateful content, e.g., to automatically identify hateful variants of popular memes (think of “Nazi” Pepe).

Addendum: Memes produced by 4chan in response to our work

Some of the communities we study in the current work have taken an interest in our previous work. 4chan’s /pol/ has taken a particular interest, providing additional evidence to the community’s meme creating “ability.” (Read more about 4chan and their reaction to our work in a previous article – A Longitudinal Measurement Study of 4chan’s Politically Incorrect Forum and its Effect on the Web).

Memes of the 3rd author of the paper (left) and 1st author modifying a figure from the “Rare Pepes” appendix in our previous 4chan paper (right).
A meme of the 6th author of the paper.
Memes created by /pol/ including plots from our paper.


This project has received funding from the European Union’s Horizon 2020 Research and Innovation program under the ENCASE project. An edited version of this article was originally published on The Conversation, written by Emiliano De Cristofaro.

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