Facebook Page Admins: Likers\followers can opt-in to receive notifications whenever your page makes a post – like they receive notifications when a friend comments on their status or invites them to an event.
For Likers to Activate Notifications for a Page:
1.Navigate to a Page.
2.“Like” the Page and continue hovering over the “Like” button
3.When the drop down menu appears, select Get Notifications
By encouraging likers to activate notifications from your page, you help ensure they get your content and posts!