Forget PRISM, the recent NSA leaks are plain: Digital privacy doesn’t exist
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I think the reason the government "won out" over all the other abuses is that they are able to collect data willy-nilly from all the other corporations. So whatever problems you might have with FB privacy, it's nothing with the abuses involved with taking the problems of 50 providers and adding them all together. Then storing the data forever.
The government is supposed to protect you from others trying to take these things and stop you from taking these things from others. It needs certain limited powers to do that. But without severe checks, those powers are certain to be abused.
Combine that power with total information, and it's almost certain to result in abuses and authoritarianism. While it's a thought many might not have at the tip of their tongues, I think most people realize that, due to the nature of power, it's extremely risky for the agent with all the power to also have all the information.
Of course, a warrant is exactly what was needed for companies to hand over information even on non-U.S. citizens into NSA's Prism system in the first place.
Whatever else you might say about recorded phone calls and emails, Prism itself was shown to require the company to buy off on the logic used in the NSA NSL in order to obtain data, so Prism was hardly the problem people made it out to be.
In fact, a little itty bitty tweak here and there and Prism would apply directly to the FBI, who could then use it for normal warrant compliance for U.S. citizens. All the data just sitting there in their pretty little cloud silos, and pretty little hosted email solutions begging you to use IMAP, just waiting for the government to get a warrant (or not, unless ECPA gets revised). It would all be completely legal, and that problem has been around in some form for decades now.
Prism sends over data that was already generated; it's not the government's fault that the company bothered to generate it but if they get a warrant why should they pretend like it didn't exist? I'm not sure how you would even begin to investigate things like 9/11 if you weren't allowed to collect evidence from actions that occurred before the crime came to the attention of the government.
If you're talking about beam-splitting then, well, I see your argument. But that's not what I was talking about in my parent comment.
I pretty much doubt secret services in most countries would need any kind of warrant to do whatever they want.
While the first is a matter of opinion, I must disagree with the latter. Laws have tried and failed to curb piracy for as long as piracy has been possible. Unless that's not what you meant?
Scanning the license plates of ALL cars moving through New York? Reconstructing their paths? Why not, right? That's probably even less raw data that the facebook chit-chat.
I believe (no way to "know") that those infrastructures are in place and working 24/7.
Misused? Seldom. A huge problem as any large data/info store. For sure.
The "balance" between utility and the price tho pay for it for us all ... in the end that is politics. About to change?