Social media has become a powerful tool for communication and building communities. It allows information to be shared among vast networks of connections, rather than just being pushed out to passive audiences, as was the case with traditional mass media. Key points: - Social media gives control of information and communities to their members, who decide who and what is let in. - Popular social platforms like Facebook and YouTube have hundreds of millions of active users and are growing rapidly. - Financial institutions previously saw social media as a time-waster or security risk for employees, but it is now recognized that customers and employees are already using it, so institutions should consider how to join the conversation in a regulated way that protects customers and integrates with