echoes, sounds bounced off walls, redirected energy, pales in comparison to the source, to directness, but still, information conveyed, good enough? reflections of music, movies, and books, speech and conversations, who said what and where, why and how? tidbits and grapevines, lessening in importance, in effect, doppler or otherwise, echo location, determining vectors through sideband, trying, attempting to be more sensitive to the eddies and currents of the flow, the Flow, the movement of life