Traditional informal networks are dying and should be allowed to die.
The Group grew into a well-known, informal and international network of people by the 1930s.
Many areas also have more informal networks, some supporting particular industries.
I learned the informal network was stronger than the formal one.
She started an informal network of religious leaders to share information about campaigns for worker justice that year.
We communicate with each other in the set through a large number of mostly informal networks.
But at some point, the care required can be too much for these informal networks to handle.
It supplies an informal network of more than 100 college and public radio stations around the country.
I had no need to link into this informal network.
Through informal networks, we find people to do what we need.