How to hide CI from being detected

A quick google revealed this:

The technology has to be discoverable in either the page body, cookies or server headers.

Not sure what you can do about the server headers, or what they mean exactly by that phrase. I checked server headers on one of my sites and could not see a 'powered by CI' or anything similar - I may have just missed it though.

Why do you care? Are you hiding something? What difference could it possibly make?

Best wishes,

Paul.