These other three people, did they converse with you? How'd you find out? Is there a common denominator that leaves you feeling singled out, as a group?

I cannot begin to count, how many 'belated' birthdays that I've wished, this calendar year. Fixed all my settings to have that little globe giving me the notifications that I really want, such as birthday reminders, or a conversation on my page. And I've had this discussion online with an out of state friend from my youth, about how annoying that we all miss posts from those we want to see because fb plays its own game and filters by their logarithms....

If she's that unfriendly, unfriend her. Otherwise, why send a birthday wish, next year if it's unsettling?