A demo of the foot-step illusion (Anstis)pic.twitter.com/HhJdxcNvRR
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New conversation
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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amazing it even works if you put your fingers on the squares and track it
Thanks. Twitter will use this to make your timeline better. UndoUndo
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