OK, obviously not to every HUKDers needs right now; but anyone who is just about to pop or has recently given birth to a beautiful baby girl might want to announce at under 10p a card that they are pround parents. And isn't it the greatest day of your life? And the beginning of the poorest days of your life here on in. So, why not save a few quid and get these cards to send to friends/relatives/ work colleagues who you won't have to see for ages etc etc.
Have them delivered to the store for free if they have none in your local