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Spirited Ad

Over the past few days I've noticed these billboards around the neighbourhood:

Billboard

It's just blood on the floor, right?  Oh, wait...  I'm a sucker for these perceptual illusions, here's an explanation for why they work.

PS If all you see is blood, add a comment and I'll tell you what to look for...


Published

Fri 08 May 2009

Category

NYC, Random

Tags

  • ad 2
  • perceptual illusion 1

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