https://qz.com/1296094/most-popular-memes-finally-a-scientific-list-of-the-most-popular-memes-on-the-internet/

The internet meme has gone mainstream. Once exclusively shared by nerds on message boards, email lists, and other parts of the old-school internet, memes are now spread by the tech-unsavvy billions of Facebook and Twitter.

Memes are best when they are funny. But humor is defined by the people laughing, and some people on the internet are often tickled by hateful racism, sexism, and genocide, reveals a new working paper (pdf) that studies Twitter, Reddit, the /pol/ message board on 4chan, and Gab.