This special issue makes an in depth analysis of the various and complex interactions between precarious (i.e. forced, vulnerable, undocumented or deported) migrants' emancipatory practices enabled by information and communication technologies, and the constraints created by technological tools used for surveillance and migration control. It explores the empowerment-control nexus by articulating the use of digital technologieswhether by migrants themselves, by civil society actors, or by institutionswith their mediating role in the processes of empowerment, surveillance and migration control. It gathers together seven articles that draw on original empirical studies conducted across various geographical zones