Their content spans from silly to absurd, from funny tweets and signs to hilarious mishaps.

The moment the SheKnows Teen Council settled around the table during one of our focus groups, the chaos began. “Wait, you don’t know Mango Funk?” one girl gasped, half-laughing, half-scandalized.

A few weeks ago, posters on 4chan and Tumblr began bragging — ironically, sort of, as all things on 4chan and Tumblr are — about the size of their brains. Because this is how they communicate with one ...