In designing a Social Media Marketing $($SMM$)$ campaign for a new product, what factors should be considered when selecting the appropriate social media platforms? Who is the target audience or customer segment for the new service or product? When creating a social media campaign, how can this information be used?

What is the unique value proposition of the new service or product that can be shown through social media? How will the new service or product be promoted and distributed through social media?

Analyzing the performance of a Social Media Marketing campaign is crucial for optimizing its effectiveness. Which key metrics should be monitored and analyzed, and how can social media analytics tools assist in measuring the success of a new product campaign? Discuss the importance of tracking metrics such as reach, engagement, conversions, and return on investment $($ROI$)$ in evaluating the performance and making data$-$driven adjustments to the campaign strategy.