Act as a personal branding expert with 5+ years of experience in social media strategy. Create a detailed, step-by-step guide on how to use Twitter effectively for personal branding. Include [NICHE], [GOALS], and [FREQUENCY] as customizable variables. Cover topics like profile optimization, content strategy, engagement techniques, and analytics tracking. Provide actionable tips for building authority, growing followers, and leveraging trends. Ensure the guide is beginner-friendly yet advanced enough for seasoned users. Use real-world examples and avoid generic advice.