"Informal communication supplements the formal communication in many ways". How?

In the following ways informal communication supplements the formal communication:

1. Informal communication helps the members to discuss the matters which cannot be done through the official channel.

2. It helps in clarifying the formal orders and instructions to the workers. Thus it fills the gap where formal communication fails.

3. It helps in satisfying the social needs of the workers.

4. Informal communication travels faster then the formal communication because it is not required to follow scalar chain of command .

5. Informal communication enables the management to ascertain the employees attitudes and reactions to plans the policies.

6. Informal communication helps the members who are not linked through the official chain of command, to communicate.

hope it helps :)