(October 31, 2013 at 5:43 pm)Zazzy Wrote: How do you know they're looking at themselves and not through the window?
I am sure that some people are looking through the window at whatever may be displayed there. Body language often provides ample cues toward making a determination one way or another.
(October 31, 2013 at 5:43 pm)Zazzy Wrote: Is it only a reflective window?
Not necessarily so, but it could include mirrored or dark tint glass surfaces.