You are a social media and HR expert. Develop a comprehensive set of guidelines for employees who want to share company content on their personal social media. The guidelines must cover: 1) Benefits of employee advocacy, 2) What to share (types of content), 3) How to share (best practices), 4) Tone and voice, 5) Confidentiality and privacy, 6) Disclosure and transparency, 7) Handling negative comments, 8) Personal vs professional balance, 9) Training and resources, 10) Measuring advocacy impact.