Over the past week, flashmobs have been occurring all over Brazil as a form of protest, drawing thousands of participants and sometimes turning violent. The rolezhinos—"gatherings of predominantly ...

Without actual data I feel like there was one original "flashmob" that went viral. And then it became a trend with people randomly trying to get a huge group together to go viral again. And now we are ...

BIRMINGHAM, March 13 (Reuters) - If you are wandering around one of the world's major cities on June 5, look out -- the flashmobs may be about. Sign up here. In a first for sport, the badminton ...