id wasn't first in a lot of things. They were essentially porting existing graphics technology to the PC. They succeeded because other programmers turned their

id wasn't first in a lot of things. They were essentially porting existing graphics technology to the PC. They succeeded because other programmers turned their noses up at the "underpowered" PC in favour of systems with "better" hardware. Carmack certainly did a lot of work and devised some ingenious ways of getting the most out of PCs but he was adapting things more than pioneering them.