They Hacked McDonald’s Ice Cream Machines—and Started a Cold War
Secret codes. Legal threats. Betrayal. How one couple built a device to fix McDonald’s notoriously broken soft-serve machines—and how the fast-food giant froze them out.
https://www.wired.com/story/they-hacked-mcdonalds-ice-cream-makers-started-cold-war/
There is a website that lists every McDonald’s shake machine status, whether or not it is working
“How one couple built a device to fix McDonald’s notoriously broken soft-serve machines—and how the fast-food giant froze them out.”
The device didn’t fix the machines.