An ex-reporter leads Google's project to merge its fire hose of video and data with traditional journalism to separate news from noise.
On July 8, Philadelphia police stopped 22-year-old Tyree Carroll on his bicycle and repeatedly beat him after he was already on the ground. More than a dozen officers eventually surrounded Carroll as he called for his grandmother, who lived nearby, for help. We know this because activist Jasmyne Cannick recorded the encounter on a phone and uploaded it to her YouTube channel.