chicksdaddy writes "File this one under "proof of the obvious," but researchers at the recent 4th International Workshop on Location Based Social Networks presented a paper proving that your activity on Foursquare can be used to reliably determine your hometown. A study of data on 13 million Foursquare accounts showed that researchers could infer “with high accuracy” where a particular user lives based on their accumulation of mayorships, check-ins and tips. Specifically: the researchers could correctly infer the home town of the Foursquare users 78% of the time, within an accuracy of about 50 kilometers. Security Ledger has the story."
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