You may be interested in these links. In essence, it takes very few locations to uniquely identify an individual. I believe Ars was able to accurately track an

You may be interested in these links. In essence, it takes very few locations to uniquely identify an individual. I believe Ars was able to accurately track an Oakland city councilman using similar data. [3] [1] http://www.technologyreview.com/view/512946/how-access-to-location-data-could-trample-your-privacy/ http://www.technologyreview.com/view/512946/how-access-to-lo... [2] http://www.wired.com/2013/03/anonymous-phone-location-data/ http://www.wired.com/2013/03/anonymous-phone-location-data/ [3] http://arstechnica.com/tech-policy/2015/03/we-know-where-youve-been-ars-acquires-4-6m-license-plate-scans-from-the-cops/ http://arstechnica.com/tech-policy/2015/03/we-know-where-you...