ven, 27.03.2015 - 20:49
The US intelligence community also likens finding a terrorist plot to looking for a needle in a haystack. And, as former NSA director General Keith Alexander said, “you need the haystack to find the needle.” That statement perfectly illustrates the problem with mass surveillance and bulk collection. When you’re looking for the needle, the last thing you want to do is pile lots more hay on it. More specifically, there is no scientific rationale for believing that adding irrelevant data about innocent people makes it easier to find a terrorist attack, and lots of evidence that it does not. You might be adding slightly more signal, but you’re also adding much more noise.
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