Yes, because you
agreed to it.
What HAS come of it are a couple of really good articles that describe the mechanics of how data-profiling work.
One of the more spine-tingling observations is the "revelation" that a program called Accumulo is a system used by the NSA as part of the PRISM project.
Well, the surprise is not about the Accumulo system itself, just that such a system is actually in use.
Without getting all hyper-geek, the guts of the system is this - stick with me, I'll keep it short.