The Supreme Court debated how to stop music from being illegally copied and shared without jeopardizing internet access for others.

The U.S. Supreme Court was set to hear arguments on a case questioning the extent to which Internet companies must police music piracy.

At issue is whether internet providers can be held liable for repeated copyright infringements of users, with potentially billions of dollars on the line.

At issue is whether internet providers can be liable for their users' committing copyright violations using its services.