This is a slightly modified version of a presentation that I gave to fellow lawyers last week. It explains what GDPR is, the policy of data protection and the evolution of data protection legislation from the OECD Guidelines and Council of Europe Convention to the GDPR. It explores the regulation focusing on the data protection principles and, in particular, the lawfulness requirement and the validity of consent. The presentation mentions the Law enforcement data protection directive, the Data Protection Bill and the arrangements post Brexit. Finally, it considers the preparations recommended by the Information Commissioner for small busiesses