1. The grapevine communication mode is often used by the managements to leak important information that they cannot officially announce.
2. In order to get feedbacks on certain topics, managements use the grapevine communication.
3. The management also uses the grapevine communication to identify issues that are important for employees.
4. Grapevine communication is also used to improve collaboration and teamwork among groups.
5. Grapevine is also used – in a negative sort of way – to break unnecessary bonding between employees.