Act as a seasoned digital marketing strategist with 10+ years of experience in managing online reputations for startups. Provide a comprehensive step-by-step guide for [startup name] to effectively manage its online reputation. Include strategies for monitoring mentions on [social media platforms], responding to [negative reviews or comments], and building a positive brand image. Highlight tools and techniques for tracking sentiment, engaging with customers authentically, and leveraging positive feedback. Tailor the advice to a [specific industry] context, addressing unique challenges and opportunities. Ensure the plan is actionable, scalable, and aligns with the startup's long-term growth goals.