Few things are more upsetting in the fast food world than learning McDonalds franchises intentionally leave their ice cream machines broken or off to save money. It’s summer! People need their ice cream!

The Cold War Over Hacking McDonald’s Ice Cream Machines
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.
wired.com