Cold reading is a set of techniques used by mentalists, psychics, fortune-tellers, mediums and illusionists to imply that the reader knows much more about the person than the reader actually does. Without prior knowledge, a practiced cold-reader can quickly obtain a great deal of information by analyzing the person's body language, age, clothing or fashion, hairstyle, gender, sexual orientation, religion, race or ethnicity, level of education, manner of speech, place of origin, etc.