As a product manager for Facebook Newsfeed, there are several factors I would weigh before determining whether videos should auto-play or require a click to play. First, it's essential to assess this from a user experience perspective. We need to gauge our users' preferences: do they enjoy having videos auto-play as they scroll, or do they find this disruptive and prefer to click to play the videos themselves? Next, we must understand the technical ramifications. Auto-play videos might lead to slower loading times and increased data usage, which could be problematic for users with slower internet connections or limited data plans. Lastly, we need to take into account the business angle. While auto-play videos might enhance user engagement and boost ad revenue, if they detract from the user experience, they could drive users away from Facebook, leading to broader implications for the business. To arrive at a well-informed decision, I would advocate for a data-driven approach: We should conduct a survey among our users and perform a historical analysis of user engagement with videos. Additionally, I would recommend running A/B split tests to further validate these insights. Based on the results, we can make a more informed choice.