A clairvoyant medium is a psychic who goes into trance, a sleep like state in which he allows his body and senses to be possessed by the spirit which may be his own guiding spirit or that of the seeker. The spirit has an overview of all the happenings on the earth. A clairvoyant medium can speak while lying down. He can also sit down or even walk and make gestures by moving his hands. He can even write or type his messages. https://drive.google.com/file/d/1tYl8tOQk4QxYevQy2h7PCc4Di8e6L3sn/view?usp=sharing
^ Paul Kurtz. (1985). A Skeptic's Handbook of Parapsychology. Prometheus Books. p. 29. ISBN 978-0-87975-300-9 "Florence Cook was caught cheating not only before her séances with Crookes but also afterward. Furthermore, she learned her trade from the mediums Frank Herne and Charles Williams, who were notorious for their cheating." Also see M. Lamar Keene. (1997). The Psychic Mafia. Prometheus Books. p. 64. ISBN 978-1-57392-161-9 "The most famous of materialization mediums, Florence Cook – though she managed to convince a scientist, Sir William Crookes, that she was genuine – was repeatedly exposed in fraud. Florence had been trained in the arts of the séance by Frank Herne, a well-known physical medium whose materializations were grabbed on more than one occasion and found to be the medium himself."
It's important to know that the free psychic chat rooms are not for receiving free readings. The free chat rooms are for you to get to know the psychics before you invite them for a private reading. But that being said, it is totally possible to get a free answer or free reading during a free chat. There are many psychics who offer totally free psychic answers on a regular basis. 
^ "Glossary of Key Words Frequently Used in Parapsychology" Archived 2010-12-24 at the Wayback Machine, Parapsychological Association website. "Materialization: A phenomenon of physical mediumship in which living entities or inanimate objects are caused to take form, sometimes from ectoplasm." Retrieved January 24, 2006 "Medium – Definition". Dictionary.com. Retrieved 23 March 2007.