The screenshots are exaggerated; you didn't notice them because they lag by only about a frame. They did in fact exist, because it took time for the phosphors to lose their excitation.
...anyway, the apparent presence of the motion trails would depend heavily on a person's use of the brightness, contrast and saturation setting per each individual television set.
http://en.wikipedia.org/wiki/Asch_conformity_experiments
...anyway, the apparent presence of the motion trails would depend heavily on a person's use of the brightness, contrast and saturation setting per each individual television set.