On her MSNBC show, So Popular, Janet Mock sat down with actress and writer Issa Rae to talk about her new book “The Misadventures of Awkward Black Girl.” The book, of course, is based on the popular Web series that shot Rae into stardom and onto Pharrell’s radar. The book is out now and just made the New York Times bestseller list. In the sit-down, Rae says that writing the book was therapeutic and remembers the days of AOL chat rooms. Take a look.