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This study examines involuntary autobiographical memories (IAMs) that are triggered by video entertainment content so that we can better understand the interplay between our conception of self and our ability to relate to narratives. We used thought-listing techniques to obtain unsolicited autobiographical memories. We examined IAMs engendered when viewing 11 different video presentations over three studies. Results indicated that IAMs are a normal part of the media experience. Generation of IAMs appears to be related to low levels of arousal, mediated by the specific content genre, with dramas producing more IAMs than comedies. Narrative involvement (transportation) triggers more IAMs for those viewing comedy programs.

The theory of niche proposes that a new medium competes with older, more established media to fulfill users' needs. This study uses niche theory, a macrolevel theory, as well as social information processing theory and the theory of electronic propinquity, both microlevel theories, to examine the niche of instant messaging (IM) in providing general gratifications. Results indicate that IM is characterized by a broad niche, surpassed only by that of the cell phone. IM had substantial niche overlap with e-mail and the cell phone, indicating a degree of substitutability between them; the least overlap was with the landline telephone (LLP). The hierarchy that emerged indicated that the cell phone was superior to IM, which was superior to e-mail, followed by the LLP for providing general gratifications. Finally, displacement tests indicated that IM use displaced e-mail and LLP but not cell phone use. Implications and directions for future research are discussed.