It also allows you to do the opposite, and turn a single-dimensional quantity into two-dimensional coordinates in a useful manner. The most famous example I kn

It also allows you to do the opposite, and turn a single-dimensional quantity into two-dimensional coordinates in a useful manner. The most famous example I know is, of course, XKCD's Map of the Internet: https://xkcd.com/195/ https://xkcd.com/195/