Steve Jobs recounts how he and Steve Wozniak discovered "blue boxing," a method for making free phone calls by mimicking AT&T's internal signals. Inspired by a magazine story about a person named Captain Crunch, they found technical details in an obscure AT&T manual and built a device that could manipulate the phone network. Their first test call was a success, proving the system worked. This experience, Jobs believed, showed them the power of combining technical knowledge with creativity—an ear