The flip-disc display (or flip-dot display) is an electromechanical dot matrix display technology used for large outdoor signs, normally those that will be exposed to direct sunlight. Flip-disc technology has been used on buses across North America and Europe. It has also been used extensively on public information displays. A few game shows have also used flip-disc displays, most notably Family Feud from 1976-1995. (Eggcrate displays were used from 1999-2006, and LCD screens since 2002.)
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“You gave him an opportunity to display greatness of character, and he let it slip away. For that he will never forgive you.”
—Friedrich Nietzsche (1844–1900)