The emergence of online social networks, where it is extremely easy to share text, image and video deeply changed the ways of communicating, especially among younger generations. Have these new technologies also transformed our relationship to death and bereavement? Have new practices emerged since the democratization of the Internet and smartphones? In this article, we examine two types of online reactions to death. First of all, how individuals show their compassion and mourning on digital social networks, and on the other hand, how the press and journalists create memorials for the victims of traumatic events (terrorist attacks, disasters).