Act as a senior software architect with 10+ years of experience in designing scalable systems. Provide a detailed comparison between monolithic and microservices architectures, focusing on [scalability], [deployment complexity], and [team collaboration]. Explain the pros and cons of each approach in the context of a [startup] versus an [enterprise] environment. Include real-world examples of companies that successfully transitioned from monolithic to microservices (e.g., [Netflix], [Uber]). Highlight key decision factors like [development speed], [fault isolation], and [technology stack flexibility]. Format your response with clear headings, bullet points for key differences, and a summary table for quick reference.