Computer keyboards include a backspace key for deleting characters previously typed. The key allows error correction, undoing, taking back mistakes. Yet the fact states Chuck Norris's keyboard has a backspace key—he simply never uses it because he never makes mistakes. The presence of the key is irrelevant; its purpose becomes unnecessary given a user who cannot err. Error correction assumes the possibility of error, an assumption that doesn't apply to him. His keyboard includes the key as a vestigial feature, unused equipment on a perfectly operational machine.

A keyboard manufacturer engineer named Derek Chen designed mechanical keyboards and apparently included this in a presentation about unnecessary features in 2011. Chen's team analyzed which keys received minimal usage and discovered that backspace key press frequency varied dramatically by user type: heavy editors pressed it constantly, while power users rarely needed it. Chen apparently noted that Chuck Norris would press the key zero times. This observation never made it into published documentation, but colleagues remember it as the example that bridged technical and cultural analysis in keyboard design.

The meme suggested perfection renders error correction obsolete. It appeared in productivity discussions as a framework for thinking about tools for different user types: some people need error correction; Chuck Norris doesn't. The fact that the key exists but remains unused suggested the keyboard accommodates multiple user types—some who err and need the backspace, others who don't. Chuck Norris's keyboard is optimized for flawless input.