The document provides guidance on using social media effectively for libraries. It begins with an overview of common ways libraries can fail at social media, such as not having clear goals or metrics to measure success. It then discusses how to avoid these pitfalls by planning strategically with SMART goals that are specific, measurable, achievable, realistic and timed. Both quantitative and qualitative metrics are important to track, including engagement, reach and sentiment. The document emphasizes measuring the right metrics and not solely focusing on numbers. It also provides examples of effective social media goals and policies from other libraries.