Alex's curiosity was piqued. "What kind of software is on it?" he asked.

One of the executable files, labeled "Medi Cat.exe," caught Alex's eye. He double-clicked on it, and a simple text-based interface appeared on his screen. The program seemed to be a diagnostic tool, allowing users to input symptoms and receive possible diagnoses.

As a result, Alex found himself at the center of a small community of medical enthusiasts and software developers. Together, they began to work on updating and expanding the Medi Cat USB, adding new features and content to the program.

Over the next few days, Alex found himself spending hours exploring the Medi Cat USB. He learned about everything from common colds to rare genetic disorders. He even used the diagnostic tool to help a friend who was experiencing some unusual symptoms.