Dissociative identity disorder (DID) was formerly called multiple personality disorder. It is a mental illness that involves disruptions or breakdowns of memory, awareness, identity and/or perception. The condition is further explained. Online publishing has become common in scientific publishing where it has been argued that peer-reviewed scientific journals are in the process of being replaced by electronic publishing. It is also becoming common to distribute books, magazines, and newspapers to consumers through tablet reading devices, a market that is growing by millions each year