I don't think there's any other reason than old school marketing. The same way they had free Gmail stickers at some point. Your Mom get the card, put it on the

I don't think there's any other reason than old school marketing. The same way they had free Gmail stickers at some point. Your Mom get the card, put it on the fridge and learn that her son is using Gmail. At Christmas, maybe you should ask him what it is... etc. That plus the fact that we are now talking about it. :)