Faces challenge the sender-receiver model as the major scheme of thought for appropriately understanding interaction between human individuals. The openness and indeterminacy of faces lead to establish a semiotically relevant distinction between interaction and interactivity. The latter is our proposed articulation of the dynamic energy that thrives through the existence of signs and the uses of a semiotics. Facial expressions sustain and express the vital dynamism of making meaning in life. This often occurs at a bewildering distance to legal life (...) and discourses established by legal terminologies. (shrink)