This document discusses using social media for brand messaging and targeting audiences. It recommends starting with one social media platform that matches your target audience and learning how to use it well before expanding. The document also provides tips for using social media effectively such as including social media accounts in all messaging, regularly posting engaging content, responding to others, and avoiding over-automating posts. While social media can help target audiences, paid promotion may be needed to reach many people and engagement cannot be forced. Authenticity and connection are important for success.