Anonymization of data is not a simple task. Even with the noblest of intentions things can go wrong. See the problems with the sharing of medical data in the UK

Anonymization of data is not a simple task. Even with the noblest of intentions things can go wrong. See the problems with the sharing of medical data in the UK and examples from the US [1]. [1] http://arstechnica.com/tech-policy/2009/09/your-secrets-live-online-in-databases-of-ruin/ http://arstechnica.com/tech-policy/2009/09/your-secrets-live...