1. Social media is an important tool for connecting people and promoting products and services, with companies spending over $15 billion annually on advertising and market research. 2. Hospitals are increasingly using social media platforms like Facebook and YouTube to engage audiences, with over 800 hospitals currently using social media. 3. It is important for organizations to establish social media policies to monitor communications and ensure compliance with privacy laws and guidelines. Measurement of engagement through metrics like posts, followers, views, and time spent can help assess the effectiveness of social media strategies.