What does my friend Nicole's bum have to do with breast cancer, murdered young black men, and the future of the Internet? In the last year, we've seen unprecendented social uprising happening online -- it seems like every day, there's a new movement for justice. But what makes a movement catch fire, and how are social technologies shifting our understanding of how power makes the world go 'round? In this talk, Deanna Zandt will connect the dots between amorphous global movements -- #aufschrei, Planned Parenthood Saved Me, Trayvon Martin, Bell Bajao/Ring the Bell, and more -- and reveal the intoxicating combination of power and emotional resonance that make revolutions happen.