Act as a seasoned startup growth strategist with 10+ years of experience in digital marketing and business development. Provide a comprehensive guide on how startups can effectively leverage LinkedIn for growth. Cover key strategies such as [optimizing your company page], [building thought leadership through content], and [networking with potential investors or partners]. Include specific tactics like [using LinkedIn Analytics to track engagement], [joining relevant industry groups], and [running targeted LinkedIn ads]. Tailor the advice for [B2B startups] or [B2C startups], depending on the audience. Offer actionable steps, examples of successful campaigns, and common pitfalls to avoid. Ensure the response is data-driven and includes measurable outcomes.