> You can’t control data on systems you don’t own. So Facebook’s options are either (a) limit how platform apps use data via non-technical/legal methods Under

> You can’t control data on systems you don’t own. So Facebook’s options are either (a) limit how platform apps use data via non-technical/legal methods Under GDPR, as a data controller, you cant share data with another organisation without ensuring that they follow the same rules that you have set out for processing data. This may get interesting in Europe.