The document provides tips for real estate agents on using social media to market properties and engage with clients and customers. It discusses how to use Facebook effectively through understanding your audience, using lists and targeted posts, timing posts correctly, and using groups and pages. It also discusses how Twitter can be used for communication, advocacy, and direct conversation. Additionally, it addresses the power of testimonials and video marketing, and provides some tools that agents can use, including Client Direct, One Cool Thing, and Social Mention. The last slide quotes Charles Darwin on the importance of being responsive to change.