Opinions Can Be Incorrect! In Our Opinion. On the Accuracy Principle in Data Protection Law

- The GDPR contains an accuracy principle, as most data privacy laws in the world do. In principle, data controllers must ensure that personal data they use are accurate. - Some have argued that the accuracy principle does not apply to personal data in the form of opinions about data subjects. - We argue, however, from a positive law perspective, that the accuracy principle does apply to opinions. - We further argue, from a normative perspective, that the accuracy principle should apply to opinions.