If the like acceptance rate for the Facebook Like feature is down 5%, there are several actions that a product manager can take to address the issue. First, it's important to understand why the acceptance rate is down. This could be due to a variety of factors, such as changes in user behavior or dissatisfaction with the feature's design or functionality. Conducting user research, such as surveys or user testing, can provide insights into what is causing the decline in acceptance. Once the root cause has been identified, there are several potential solutions. For example, if users are dissatisfied with the design or functionality of the feature, the product team can work to improve the feature's user interface or add new functionality that better meets user needs. If the decline in acceptance is due to changes in user behavior, such as a shift away from liking content, the team may need to consider alternative ways of measuring user engagement. It's also important to communicate any changes or updates to the feature to users in a clear and transparent way. This can help build trust with users and encourage them to continue using the feature. Overall, addressing a decline in acceptance for a product feature requires a data-driven and user-centric approach. By understanding user needs and behavior and making changes that address their concerns, a product manager can work to improve the feature's acceptance rate and drive user engagement.