Digital technologies are transforming the way human mobility is experienced and managed across borders. This issue offers insights into the different ways in which technologies are changing displacement-related settings around the world: from predictive modelling to anticipate climate-induced migration, biometric data collection in humanitarian operations and asylum seekers’ experiences using the CBP One app in Mexico, to the use of mobile phone data by the Dutch and German authorities, and opportunities and challenges presented by the digital platform economy. These examples illustrate the often ambivalent nature of technology and the importance of context and nuance in understanding their implications.