Uhm…
Seriously speaking, I don’t even know some of them.
And if we’ve never had a proper conversation before, would we be friends?
I know I shouldn’t take it seriously – any person can stumble on this blog and read/know/see everything about me anyway, so I can’t use the “I-don’t-want-to-add-you-because-I-don’t-know-you-well-or-we’re-not-really-friends-and-I-don’t-want-you-to-see-my-personal-details” phrase. 
{ 2 comments… read them below or add one }
i know what you mean…maybe you can consider setting different groups with different privacy level so that way it’s better la.
Eiz: don’t know how to set that…