The new general data protection regulation (GDPR) comes into force on 25th May 2018. You can read about the key changes on the GDPR website.
This means that I must tell you about the personal information that I hold about you and how I use it. So I have written a privacy policy to explain.
This also means that you must give me your explicit consent to send you marketing messages such as those about future class dates. So I will shortly be asking you to sign a form at class or sending you an email to give your consent online.