If you’re an active user of Twitter or Facebook, and have a fair number of politically active friends, you may have noticed that many of them changed hue today. The first person I saw complete the metamorphosis was our own Donna Trussell (who you can follow on Twitter here). Slowly, throughout the day, many of my friends participated this Hulk-like transformation. No, it isn’t some crazy environmental statement, it’s a new Internet meme designed to show support for the protesters in Iran.