Until they can tweak their algorithm to find this stuff effectively, it's going to be a continuing problem.

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Interested parties can find one version of the resulting algorithm in Burr's book, though Turin says he's since refined it.

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The algorithm searches the internet to find what it is that people fear might happen and then trades off that knowledge.

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So for his Ignite NYC talk, he performed a series of experiments to find just what sorts of obscuring techniques can defeat a common facial recognition algorithm known as Eigenfaces, testing an off-the-shelf implementation of that algorithm in a program called Neurotechnology.

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Their algorithm, which they call P4P or "local file-sharing, " tracks users' locations to find the shortest path across the Internet.

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If you find a podcast you like, hit the thumbs-up button to tell the app and improve the Smart Station algorithm.

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