Place-Its: a study of location-based reminders on mobile phones

  • Authors:
  • Timothy Sohn;Kevin A. Li;Gunny Lee;Ian Smith;James Scott;William G. Griswold

  • Affiliations:
  • Computer Science and Engineering, University of California, San Diego, La Jolla, CA;Computer Science and Engineering, University of California, San Diego, La Jolla, CA;Computer Science and Engineering, University of California, San Diego, La Jolla, CA;Intel Research, Seattle, WA;Intel Research, Cambridge, UK;Computer Science and Engineering, University of California, San Diego, La Jolla, CA

  • Venue:
  • UbiComp'05 Proceedings of the 7th international conference on Ubiquitous Computing
  • Year:
  • 2005

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Abstract

Context-awareness can improve the usefulness of automated reminders. However, context-aware reminder applications have yet to be evaluated throughout a person's daily life. Mobile phones provide a potentially convenient and truly ubiquitous platform for the detection of personal context such as location, as well as the delivery of reminders. We designed Place-Its, a location-based reminder application that runs on mobile phones, to study people using location-aware reminders throughout their daily lives. We describe the de-sign of Place-Its and a two-week exploratory user study. The study reveals that location-based reminders are useful, in large part because people use location in nuanced ways.