On Dec 3, 2008, at 2:19 PM, Paul Jessop wrote:
But I look forward to the answer to the question you ask: why is protecting privacy a requirement and protecting copyrighted content a policy?
There is a large amount of content that people view which is embarrasing but not illegal.
EG, suppose you use a P2P system to view a video about, say, girls who are unnaturally attracted to sheep. Filmed where it was legal, and you're watching it in San Francisco (where community standards are uhh, interesting...)
Should I or someone else be able to query a localization server for "All those into NSFW ovine videos?" Obviously not.
The problem is, however, you CAN'T actually have privacy preserving to the degree some would want.
Someone within the network can always see who else is viewing that file if they can get the hashkey for that file, in pretty much any P2P system at all, and the localization server may help in this process but isn't essential for this process.
If the model is "anyone can add a hashkey" to the system, you will have pirated material, and if the keys are identified by the content owner, the DMCA or similar should be reasonable to take them down (assuming you want to play whak-a-mole on localization servers which, if removed, would not affect people's ability to get the pirated content).
But you also have significant noninfringing uses which need the "anyone can add a key" model.
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