As a product manager, I would approach improving Facebook Reactions by first conducting user research to understand how people are using the current reactions and what they would like to see improved. Based on this research, I would consider adding new reaction options that better capture the range of emotions and responses that users want to express. For example, users may want a reaction that expresses empathy or support, or a reaction that shows appreciation for a post without necessarily "liking" it. I would also explore ways to make the reactions more prominent and easier to use, such as allowing users to customize their reaction options or making the reactions more visible in the newsfeed. In addition to these improvements, I would work to ensure that the reactions feature is accessible and inclusive to all users, including those with disabilities or who use assistive technologies. Overall, my approach to improving Facebook Reactions would be to prioritize user feedback and needs, while also ensuring that the feature is intuitive, accessible, and inclusive.