Introduction: Revisiting EU Law on the Free Movement of Persons / Niamh Nic Shuibhne -- Is Free Movement (Law) Fully Emancipated from Migration (Law)? / Ségolène Barbou des Places -- Posted Workers are Persons Too! : Posting and the Constitutional Democratic Question of Fair Mobility in the European Union / Sacha Garben -- Economic Activity and EU Citizenship Law : Seeding Means-based Logic in a Status-based Freedom / Free Movement and European Welfare States : Why Child Benefits for EU Workers Should Not Be Exportable / Martin Ruhs and Joakim Palme -- Brexit and the Free Movement of Persons : What is EU Citizenship Really About? / Eleanor Spaventa