 In the study of clothing, his work ranges from a book on the Sari in India to more recent research explaining the popularity of blue jeans and the way they exemplify the struggle to become ordinary.His initial work on the consequences of the internet for Trinidad was followed by studies of the impact of mobile phones on poverty in Jamaica and more recently the way Facebook has changed the nature of social relationships.Miller's work on material culture also includes ethnographic research on how people develop relationships of love and care through the acquisition of objects in shopping and how they deal with issues of separation and loss including death through their retention and divestment of objects.