To deal with this large question it will be further divided into [1] what is currently happening to our data online, [2] what ‘could’ happen to our data after death and [3] how this mass of personal data may contribute to our growing Digital Heritage. The literature gathered will help to build a framework for considering: the nature of archive and archival practices, how data is built from and builds on our sense of ‘self,’ how the mediation of memories alters our relationship to the dead and how the growing topic of digital death is helping to reframe our understanding of collective remembrance and potential inheritance of vast legacies.