Advanced Page analytics give you a broader view of the impact of your Page by including more valuable events (defined as actions people take on your Page), including Post Impression, Page follow/unfollow, Page like/unlike, and more. You can view and analyze these events with any of the features you already use in Facebook Analytics. That means you can create new audience segments of people who engage in certain ways, track funnel conversion from social engagement to purchase, compare audience demographics by channel and activity, and more.