The use of NSLs is far from new, dating back several decades. But their use was expanded greatly after 9/11 and NSLs are different from other tools in a number of ways, perhaps most importantly in the fact that recipients typically are prohibited from even disclosing the fact that they received an NSL. Successfully fighting an NSL is a rare thing, and privacy advocates have been after the government for years to release data on their use of the letters and the number of NSLs issued. Now, the ODNI is putting some of that information into the public record."
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Activist groups including the Electronic Frontier Foundation and Greenpeace launched the 135-foot thermal airship early Friday morning to protest the agency's mass surveillance programs and to announce the launch of Stand Against Spying, a website that rates members of Congress on their support or opposition to NSA reform. The full message on the blimp reads 'NSA: Illegal Spying Below' along with an arrow pointing downward and the Stand Against Spying URL."
He says, "I find watching algorithms endlessly fascinating, even mesmerizing. Particularly so when randomness is involved. ... Being able to see what your code is doing can boost productivity. Visualization does not supplant the need for tests, but tests are useful primarily for detecting failure and not explaining it. Visualization can also discover unexpected behavior in your implementation, even when the output looks correct. ...Even if you just want to learn for yourself, visualization can be a great way to gain deep understanding. Teaching is one of the most effective ways of learning, and implementing a visualization is like teaching yourself."