"This was one of the earliest network maps I worked on in Q1 2008 -- rather solipsistically, it's a map of my own Facebook friends (with my own node removed, so that it pulls apart a little.) It attempted to map two degrees of separation; what you see here is my friends and their friends. I think I removed the pendants." [...]
Would you sign a blanc check, not knowing who or when is going to cash it? In effect, that's what people are doing when handing over all their stuff to Facebook.
I guess, the answer to the above would be YES, in case you discounted your future indefinitely to, well,
( 0 + the_use_value_of socializing )