Simon Willison’s Weblog

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Sunday, 24th May 2009

On the Anonymity of Home/Work Location Pairs. Most people can be uniquely identified by the rough location of their home combined with the rough location of their work. US Census data shows that 5% of people can be uniquely identified by this combination even at just census tract level (1,500 people).

# 1:14 pm / bruce-schneier, census, location, privacy

2009 » May

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