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> It shows pedestrians ignoring the giant screen I don't see that. How do you know where their eyes are directed when they are facing away from you?

• johansch 11y ago
  Because most people tend to shift their heads to match their gaze when they watch something for more than a fraction of a second.
  • mchahn 11y ago
    This argument is getting silly, but the closest two could definitely have their heads tilted.
    • chrischen 11y ago
      I think part of his point is that only two people were looking.