What is your favorite product launch or MVP that you've worked on, and what made it successful?

Share your favorite product launch or MVP that you worked on, and what made it successful. What were the key factors that contributed to its success, such as timing, market demand, or product strategy? How did cross-functional collaboration play a role in the launch or MVP, and what did you learn from this experience that you've applied to subsequent product launches? Share your insights and inspire others in the Product Hunt community :)