Can presentation slides perform general computation?

Compare a deliberately minimal interpreter with a surprising construction inside slides. The decisive question is which operations the system can express.

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When does an expressive format become an attack surface? →A format can admit computation its designer did not anticipate. That changes what it means to process input supplied by someone else.

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you only need these three lines that's turn complete actually

William Byrd on "The Most Beautiful Program Ever Written" [PWL NYC] · ▶ 44:35–44:43

essentially imitate any transition function of any other touring machine

On The Turing Completeness of PowerPoint (SIGBOVIK) · ▶ 4:07–4:17