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+--- Thread: What are those pictures on twitter called? (/thread-60873.html)
What are those pictures on twitter called? - immensecoil618 - 02-14-2013 04:27 AM
Ya know those pictures on twitter that r in like negative and it says to look at the pic for like 30 seconds and blink whike looking at a wall? Well what r they called?
- Conqueror Worm © - 02-14-2013 04:35 AM
Optical illusions.
http://en.wikipedia.org/wiki/Optical_illusions