Social media such as Twitter and Facebook are increasingly being used by Prospect members and representatives for union purposes.
The NEC has therefore drawn up guidance notes to help users get the benefits but avoid the risks and pitfalls associated with these various internet-based tools.
ACAS has produced a paper on the impact of social media on trade unions and employers.
This shows that social networking has already directly influenced how some industrial disputes have been conducted. It says the accessibility and speed of tools such as Twitter, YouTube and Facebook mean that workers can be mobilised more quickly than ever. They can also make it easier to collaborate with other campaign or interest groups.