<Tr> <Th> Xerography </Th> <Td> 1938 </Td> </Tr> <Tr> <Th> Phototypesetting </Th> <Td> 1949 </Td> </Tr> <Tr> <Th> Inkjet printing </Th> <Td> 1951 </Td> </Tr> <Tr> <Th> Dye - sublimation </Th> <Td> 1957 </Td> </Tr>

Who developed the first movable type when why was it not practical