In an important ruling, the Court of Justice of the EU (CJEU) ruled yesterday (5 June) that an administrator of a fan page on Facebook may be considered a controller jointly responsible with Facebook for the processing of personal data, as it takes part in the determination of the purposes and means of processing of personal data of visitors to its fan page.
While this ruling relates to Directive 95/46/EC, which was repealed by the GDPR, it will also be of particular significance under the GDPR.
Read more on: https://curia.europa.eu/jcms/upload/docs/application/pdf/2018-06/cp180081en.pdf