Symbol-Minded

From my friend Jon Mandell comes this link, to an amusing online parlor trick. Can you see how it works?

[No “spoiler” comments, please - you can email me, though, if you like, and I’ll explain.]

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One Response to “Symbol-Minded”

  1. Kevin Kim says:

    I won’t leave a spoiler again, but yes– I’ve seen this one before, too.

    Kevin

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