Don't know where it origionally came from but I stole it from fbook, they don't need it. Image appears to move but actually doesn't, stare in one spot to make it stop, slowly glance over it to make it move.
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From @andyrc
Don't know where it origionally came from but I stole it from fbook, they don't need it. Image appears to move but actually doesn't, stare in one spot to make it stop, slowly glance over it to make it move.