The Ouija board ( /.wi.d../ wee-j.) also known as a spirit board or talking board, is a flat board marked with the letters of the alphabet, the numbers 0-9, the words "yes", "no", "hello" and "goodbye" and various symbols and graphics. It is a registered trademark of Hasbro Inc.,[1] which markets and distributes the Ouija Board as part of its line of board games.[2] It uses a planchette (small heart-shaped piece of wood) or movable indicator to indicate the spirit's message by spelling it out on the board during a séance. Participants place their fingers on the planchette and it is moved about the board to spell out words. It has become a trademark that is often used generically to refer to any talking board. Following its commercial introduction by businessman Elijah Bond on July 1, 1890,[3] the Ouija board was regarded as a harmless parlor game unrelated to the occult until American Spiritualist Pearl Curran popularized its use as a divining tool during World War I.[4]