Celebrities, inherent in the word’s definition, command worldwide attention, they amass hoards of followers on social media, and, thus, they wield an incredible amount of influence. But as it’s been said time and time again, with great power comes great responsibility. Fortunately, some of these famous folks truly recognize that, and capitalize on it. They don’t just use their clout to tweet about the humdrum updates of their day. Rather, they actually try to change the world for the better. Here are 10 celebrities who use social media for good.