When it comes to personal data and privacy, I think there are really two important questions that need to be answered. One is, how do I control access to my data so that I know who has access to it? MIT's openPDS/SafeAnswers, privacy-preserving Personal Data Store is one possible answer. The second important question that I don't think anyone raises is, how do I derive value from my personal data? For example, if my smartphone tracks where I am always located, I should be able to use that information as evidence if, say a government agency claimed I was at a location on a given date and time when I know I was not. If corporations and governments are collecting data to be used against me, how I can collect that same data to use it to defend myself?#

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