'Task' versus 'purpose': Nvidia CEO Jensen Huang explains why AI won't kill jobs.

Nvidia CEO Jensen Huang

Steve Marcus/REUTERS

• Nvidia CEO Jensen Huang noted a key difference between tasks and your job's broader purpose.
• AI automates tasks but preserves the purpose of many jobs in key industries, he said.
• AI was meant to wipe out radiology jobs. It didn't — and other fields may follow a similar pattern.

Hospitals, law firms, and tech companies are getting a preview of how AI is likely to reshape work: by automating tasks without eliminating the underlying jobs.