 The radical nature of Stiegler’s project means that there are many who disagree with him. For example Vaccari (2009) argues that the fundamental genetic concepts of ‘inscription’ and ‘transmission’ at the centre of Stiegler’s argument have been severely criticized (especially in the biological sciences where it originates). He also suggests that there is a certain determinism at the heart of Stiegler’s programme, which has been severely criticized by many constructivists such as Latour. 