Internal use of social media needs to be clearly defined and well communicated so that all staff are aware of their roles and responsibilities and understand how social media are used and managed. Integrating the management of social media within existing structures helps to ensure consistency, avoid duplication and encourage good auditing and archival procedures. Social media are inherently two-way and a usage policy would reflect this by ensuring that there are clear guidelines for response and for getting the most benefit from communities of practice and communities of interest