Mild form of schizophrenia
My Mortal Enemy by Lev Grossman
"... It's one of the singular features of our little social-technological moment that people all over the world whom we otherwise would never even be aware of can effortlessly impinge upon our minds and lives and desktops. We probably see fewer people in person these days, but our lives are populated by an entire chorus of disembodied presences, amplified and directed by the Internet, as if we had all begun to suffer from a mild form of schizophrenia. Everybody talks a little louder now. There's a little less mental elbow room..."
"... It's one of the singular features of our little social-technological moment that people all over the world whom we otherwise would never even be aware of can effortlessly impinge upon our minds and lives and desktops. We probably see fewer people in person these days, but our lives are populated by an entire chorus of disembodied presences, amplified and directed by the Internet, as if we had all begun to suffer from a mild form of schizophrenia. Everybody talks a little louder now. There's a little less mental elbow room..."