Evaluating video as a technology for informal communication
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Video-as-data: technical and social aspects of a collaborative multimedia application
Computer Supported Cooperative Work
Your place or mine? Learning from long-term use of audio-video communication
Computer Supported Cooperative Work
The affordances of media spaces for collaboration
CSCW '92 Proceedings of the 1992 ACM conference on Computer-supported cooperative work
The Paradox of Videotelephony — Unconscious Assumptions and Undervalued Skills
BT Technology Journal
Everyday practices with mobile video telephony
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Remote conversations: the effects of mediating talk with technology
Human-Computer Interaction
Visual information as a conversational resource in collaborative physical tasks
Human-Computer Interaction
Fractured ecologies: creating environments for collaboration
Human-Computer Interaction
Things to talk about when talking about things
Human-Computer Interaction
Mobile video literacy: negotiating the use of a new visual technology
Personal and Ubiquitous Computing
Video interaction: a research agenda
Personal and Ubiquitous Computing
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In this paper we report on the first study of the uses of mobile video telephony based on the collection and analysis of naturally occurring mobile video telephony. We show how a characteristic feature of mobile video telephony, which makes it differ from any other kind of mediated interaction, is that: a) the participants may orient the camera at will to shoot almost any feature within their environment; and b) what they actually show at a given moment may be (and usually is) inspected by the recipient for its relevance to the ongoing interaction, and is produced with an orientation towards such scrutiny. A specific concern of mobile video call users at any time is therefore what they should or should not show. We demonstrate how a partial solution to that problem is the reliance on a particular (full) portrait-like 'talking heads' format as an expected default mode for interaction in mobile video calls. Finally, we discuss the implications, for design, of such an empirically grounded understanding of the specific practical concerns of mobile video telephony users.