1. Can't argue of course but use case, for me, is my cousin's daughter's daughter. A long heredity chain I'll confess, but being from an old school large famil

1. Can't argue of course but use case, for me, is my cousin's daughter's daughter. A long heredity chain I'll confess, but being from an old school large family, that child is the same age as my own. That means that I have a point of contact with a relative that I would not otherwise have. So, thanks facebook, really brilliant meaningful connection I would not otherwise have. 2. I agree.