Communication is continuously:

Communication is continuously evolving, changing its forms and tools as human society and technology advance.

Negative names a quality or tone of a particular message, not the ongoing nature of communication as a whole.

Stagnant means unmoving and unchanging, the very opposite of a process that keeps developing over time.

Subliminal refers to messages below conscious awareness, a special kind of message rather than the general character of communication.

From speech to print to digital networks, each era reshapes how people connect.

This constant change is why the study of communication itself keeps expanding.