Freud has had enormous influence on contemporary culture, so much so that we often barely notice. Any attention to the unconscious meaning of slips of the tongue, jokes, or dreams can be traced directly to Freud. Awareness of the impact of childhood experiences on adult emotional adjustment, the importance of sexuality, and the value of talking out our feelings, let alone the now international industry of psychotherapy, all owe their debt to Freud. Freudian ideas also captured the imagination of a wide range of famous artists and writers throughout the twentieth century, such as the surrealists, Virginia Woolf, and Alfred Hitchcock.