On Facebook, Neighborhoods as They Once Were

Facebook, of course, is already famous for bringing together former classmates and friends. These pages, however, are being used not only to share memories, but also to vent about change. “The point about the old New York City neighborhoods is that they provided real social cohesion,” said Mitchell Moss, a professor of urban policy and planning at New York University. Jed Lipinski for http://www.nytimes.com/ 9/30/11