I think that intelligence speaking, one of the biggest value of Facebook for NSA type agencies is to crawl into someones life and identifies someones friends an

I think that intelligence speaking, one of the biggest value of Facebook for NSA type agencies is to crawl into someones life and identifies someones friends and relationships going back to elementary school. Thanks to Facebook it's now possible with a simple click to find friends and possible connections in your past for which there was no easy paper trail before.