Author: Will Clarkson
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New Research Result: Bubble Forms Not So Anonymous
Today, Joe Calandrino, Ed Felten and I are releasing a new result regarding the anonymity of fill-in-the-bubble forms. These forms, popular for their use with standardized tests, require respondents to select answer choices by filling in a corresponding bubble. Contradicting a widespread implicit assumption, we show that individuals create distinctive marks on these forms, allowing…
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Tracking Your Every Move: iPhone Retains Extensive Location History
Today, Pete Warden and Alasdair Allan revealed that Apple’s iPhone maintains an apparently indefinite log of its location history. To show the data available, they produced and demoed an application called iPhone Tracker for plotting these locations on a map. The application allows you to replay your movements, displaying your precise location at any point…