Facebook Embraces Nostalgia With Feature for Looking Back at the Past

NEW YORK ( TheStreet) --  Facebook is already in the business of helping you document memories. Now the social network will take you on a trip back down memory lane, too.  Tuesday, Facebook said it was starting the global roll out of a feature called On This Day, which serves as a this-day-in-history window to users' personal social-networking archives. The features exist as a separate page people can visit to return to years-ago posts, photos and events, as well as the stories they...