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That's an interesting example since some of the most popular DEFCON talks on youtube are about elevator hacking, which includes pressing buttons that are right there on the panel

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Example of hacks that require “only” pressing buttons:

https://www.wikihow.com/Make-an-Elevator-an-Express-Elevator

That’s “hacking” in the same way as changing the page number parameter in a URL is hacking ;)

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