I fear more Facebook, Google & C...
... than NSA & C. Because they are more greed, and willingly to monetize data quickly. That's not to diminish the danger TLAs poses, but let's not look at it only, while commercial companies gather and use private data at will - and often against a large number of usersproducts, if that means large revenues for the few real users of this system.
Anon, for obvious reasons <G>.