I didn't set it up but I do use it. I
never post anything except pictures but I do go on it all the time usually to
look at friends pics or play poker. I do this but I have no idea why.
I use this free service daily and couldnt tell you why. Because I simply do not know.
I have even thought, not maliciously, but
intently for a week or so about deleting it simply for being useless but in the
end I didn't and I couldnt tell you why on that one either.