Streaming revolution: Protesters make point with viral clips

Hundreds of protesters marched up Manhattan’s Fifth Avenue last week, their signs and chants demanding police reform captured from within their ranks by dozens of camera phones.Citizen footage has played a role in previous protest movements: Rodney King’s violent arrest in Los Angeles in 1991 was filmed by a man on his nearby balcony with a camcorder, and images posted to social media were crucial to the Arab Spring and Occupy Wall Street.Bystander video sparked it, with cellphone-be