it really so easy, forexample, to distinguish between a speaker, an audience, a message, anda context?
After last week, we can probably agree that "no"--it isn't. Vatz and Bitzer were talking inside the same "box," regarding the speaker, audience, and context as discrete parts, and the post-human is part of the movement which pushes us outside that box, wanting to argue that the parts are not, in fact, discrete.