"Leverage" is kind of vague. It's hard to make money from large-scale abuses...
And it doesn't look like the NSA for example is doing anything useful from its own perspective with the data they actually have...
And it doesn't look like the NSA for example is doing anything useful from its own perspective with the data they actually have...
All the data everyone is feeding into FB/G+/Twitter/etc about their friends and acquaintances could not have been collected on such a mass scale by the NSA alone.
If you're a privacy conscious individual, there's definitely reasons to be fearful of this approach to surveillance by any governmental intelligence agency.