How tech is stoking cycles of violence in US schools, with students using phones and social media to arrange, provoke, record and spread videos of school brawls (Natasha Singer/New York Times)

Natasha Singer / New York Times:
How tech is stoking cycles of violence in US schools, with students using phones and social media to arrange, provoke, record and spread videos of school brawls  —  Ricardo Martinez, an 11th grader, was in his high school lunchroom in April when a mass brawl erupted.