Cross-channel mobile social software: an empirical study

  • Authors:

  • Clint Heyer;Margot Brereton;Stephen Viller

  • Affiliations:

  • The University of Queensland, Brisbane, Australia;Queensland University of Technology, Brisbane, Australia;University of Queensland, Brisbane, Australia

  • Venue:
  • Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
  • Year:
  • 2008

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Abstract

In this paper, we introduce a prototype system designed to support mobile group socializing that has been appropriated for everyday use by 150 users over 18 months. The system supports cross-channel communication, allowing users to participate in group conversations using text messaging, instant messaging, email and the web. It does this with the "console," a uniform text-based syntax that enables the prototype to be used over a variety of mediums. We found that participants used the system mostly for ad-hoc coordination rather than chat, with pervasive, cross-channel group communication supporting an informal "half-invite" style of invitation. We examine why coordination dominates over chat, suggesting that cross-channel mobile group messaging serves a distinct role, different to traditional text messaging, instant messaging and email. Furthermore, we found differences in the content and usage habits across channels, for example messages sent from a computer were more likely to refer to time and location than those sent using a phone. We also discuss the usage of the prototype and compare it to other work.