This document discusses the importance of social media for personal and professional brands. It provides statistics on Facebook and Twitter user numbers and time spent on the platforms. It emphasizes that social media allows for reciprocal interactions and broadcasting of thoughts and opinions. The document advises that an individual's social media presence can impact opportunities and gives tips for appropriate use such as posting relevant articles and providing thoughtful commentary rather than just spam. It also warns against inappropriate content like swearing, bullying or grammar issues.