You cannot not communicate

“You cannot not communicate. Every behaviour is a kind of communication. Because behaviour does not have a counterpart (there is no anti-behaviour), it is not possible not to communicate.”—Paul Watzlawick’s First Axiom of Communication

This, according to 52 Weeks of UX. Stated another way, “This is the first rule of UX. Everything a designer does affects the user experience,” a message that can’t be emphasized enough.