That's the opposite of what that page is trying to explain. We'll take a look at the wording in case it's confusing.

tl;DR: You can do any sort of routing! We use a /:org/:project scheme similar to GitHub at https://zeit.co :)

Some examples:

- https://github.com/zeit/next.js/tree/master/examples/paramet...

- https://github.com/zeit/next.js/tree/master/examples/with-ne...

- https://github.com/zeit/next.js/tree/master/examples/with-pr...