How many black dots do you see?

An optical illusion image fishing furor in cyberspace after a person working hard to see 12 dot simultaneously. Professor Akiyoshi Kitaoka from Japan published a picture of it on Facebook, Sunday, September 11, and within 24 hours had spread up to 7,000 times. A computer game developer, Will Kerslake, who was first spread through Twitter with the caption, "There are 12 black dots in the cross in this picture. Your brain does not allow you to see everything at once."
via IFTTT

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