True. Though then my calendar becomes terribly cluttered. (I care about maybe 20% of the birthdays on my list) I think the birthdays only counted as "costless"

True. Though then my calendar becomes terribly cluttered. (I care about maybe 20% of the birthdays on my list) I think the birthdays only counted as "costless" when I was already checking and filtering through Facebook notifications, but that was an illusion.