New York Times: Behind the Velvet Ropes of Facebook’s Private Groups

New York Times: Behind the Velvet Ropes of Facebook’s Private Groups. “Private groups have existed on Facebook for years. But the decision to emphasize them now — at a time when Facebook’s cultural and political influence is being carefully scrutinized — is a fascinating shift for a social network that spent years encouraging its users to share as much information as they could, as publicly as possible.”