I've been choc-rickrolled!

As a late birthday gift, AJ (who flew into DC last night) gave me a gimmicked chocolate bar that rickrolled me the moment I tore the wrapper open. If you look carefully you can see a speaker glued to the foil. The circuitry consists of a solid-state audio chip that can record a few minutes of sound, the necessary driving circuitry for the recording chip, and a miniature amplifier that boosts the recording to audible levels. A cleverly placed nonconductive tab was pulled out of position when the wrapper was peeled back, closing the circuit and dropping the bomb on …

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