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Facebook's announcement of its new Graph search tool on Tuesday set off yet another round of rapid-fire analysis about whether Facebook is properly handling its users' privacy. Unfortunately, most of the rapid-fire analysts haven't framed the story properly. Yes, Zuckerberg appears to be respecting our current privacy settings. And, yes, there just might be more stalking ahead. Neither framing device, however, is adequate. If we rely too much on them, we'll miss the core problem: the more accessible our Facebook information becomes, the less obscurity protects our interests.

While many debates over technology and privacy concern obscurity, the term rarely gets used. This is unfortunate, as "privacy" is an over-extended concept. It grabs our attention easily, but is hard to pin down. Sometimes, people talk about privacy when they are worried about confidentiality. Other times they evoke privacy to discuss issues associated with corporate access to personal information. Fortunately, obscurity has a narrower purview.

Obscurity is the idea that when information is hard to obtain or understand, it is, to some degree, safe. Safety, here, doesn't mean inaccessible. Competent and determined data hunters armed with the right tools can always find a way to get it. Less committed folks, however, experience great effort as a deterrent.

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