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iFixit Tears Down McDonald's McFlurry Machine, Petitions Government for Right to Hack Them
(www.404media.co)
This is a most excellent place for technology news and articles.
BTW, fixing broken machines' software (printers) was how Richard Stallman got so frustrated to invent the GPL license...
Imagine being the guy who wrote so buggy software that you inadvertently saddled the entire world with rms