Movable Type is a printing technology that uses individual letters or characters made from metal or wood to create text. Invented in the 11th century by Bi Sheng in China, it allowed for the mass production of written materials, making books and documents more accessible. This innovation significantly reduced the time and cost of printing compared to earlier methods, such as woodblock printing. The technique spread to Europe in the 15th century, where Johannes Gutenberg further developed it. His introduction of the printing press revolutionized communication, leading to the rapid dissemination of knowledge and ideas, which played a crucial role in the Renaissance and the Reformation.