A multitude of devices and technological tools now exist to make, share, and store memories and moments with family, friends, and even strangers. Memory practices such as home movies, which originated as the privilege of a few, well-to-do families, have now emerged as ubiquitous and immediate cultures of sharing. Departing from the history of home movies, this volume offers a sophisticated understanding of technologically mediated, mostly ritualized memory practices, from early beginnings in the fin-de-siècle to today. Departing from a longue durée perspective on home movie practices, Materializing Memories moves beyond a strict historical study to grapple with highly theorized fields, such as media studies, memory studies, and science and technology studies (STS). The contributors to this volume reflect on these different intellectual backgrounds and perspectives, but all chapters share a common framework by addressing practices of use, user configurations, and relevant media landscapes. Grasping the cultural dynamics of such multi-faceted practices requires a multidimensional conceptual approach, here achieved by centering around three concepts as central analytical lenses: dispositifs , generations, and amateurs.