Earlier this week, Art Review named Ai Weiwei the world's "most powerful artist." Known as much for his art — particularly covering the Tate Modern's Turbine Hall with porcelain sunflower seeds and consulting on Beijing's Olympic Stadium (The Birdcage) — as for his social activism, Ai Weiwei embraces the internet like no artist before. He's only the second arist to top the Power 100 list (after Damien Hirst), which ranks the most influential people in contemporary art.

Complex connected with Alison Klayman, director of the documentary Ai Weiwei: Never Sorry, to get the important facts about the world's "most powerful artist."

Here are the 5 things you need to know about Ai Weiwei.