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.

They had $19 million, a deal with Disney, and dreams of becoming the next Ben & Jerry’s. Then everything fell apart.

Other companies tried to align themselves with the Black Lives Matter protests and failed. The Vermont creamery kept doing what it’s always done.

Relations between two ice cream vendors in Oregon turn nasty.