Provide a response to the following question: "What are the benefits of using a Content Management System (CMS) for managing a website?" Your response should contain at least 5 sentences. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Include keywords *efficiency*, *flexibility*, *security*, *user-friendly* in the response. Finish your response with this exact phrase *Is there anything else I can help with?*.

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