I think they're suggesting that anonymized and potentially aggregated data can still have individual data extracted from it: https://www.theguardian.com/technol

I think they're suggesting that anonymized and potentially aggregated data can still have individual data extracted from it: https://www.theguardian.com/technology/2014/jun/27/new-york-taxi-details-anonymised-data-researchers-warn https://www.theguardian.com/technology/2014/jun/27/new-york-...