What is the copyright law state its advantages?

Copyright: 

Copyright law is used to cover computer software. It is illegal to make or distribute copies of computer programs without authorization. No other copies may be made without specific authorization from the copyright owner. 

Advantage of Copyright Law: 

1. Focus on creating a fair and competitive environment.
2. Give networks operators the freedom to built their own back bone and local access. 
3. Facilitate rapid deployment of infrastructure for promotion of IT services. 
4. To enable a free society to function, minimum amount of instruction will be permitted in terms of monitoring and filtering on all kinds of communication.