We all know social media can connect us to people we’ve lost touch with or whom we might otherwise not ever meet. But there’s lots of research that shows the connection is often not authentic and can leave us feeling lonely. Critics say the new book ‘Dear Dana’ will make you laugh, cry, and think more deeply about how to be a real friend. Amy Daughters’ book began when she wrote letters to her old friend Dana Rivera and Rivera’s son, Parker, who, at the time was being treated for cancer at St. Jude.