If I were a startup in the food delivery space, I would focus on creating a seamless and personalized user experience for customers. This would involve using data and AI to understand customer preferences and make personalized recommendations for menu items and restaurants. Additionally, I would prioritize timely and reliable delivery, with real-time tracking and updates for customers. To compare our solutions with what's currently in the market, we would conduct thorough market research and analyze the strengths and weaknesses of our competitors. We would also conduct user testing to ensure that our product is meeting the needs and expectations of our target audience. In terms of success metrics, we would measure customer satisfaction through surveys and ratings, as well as repeat business and customer retention rates. We would also track delivery times and accuracy to ensure we're meeting our promises to customers. Finally, we would track revenue growth and profitability to ensure the business is sustainable and scalable in the long term.