Daniel Wigdor, Sarah Williams, Michael Cronin, Robert Levy, Katie White, Maxim Mazeev, Hrvoje Benko.
UIST October 4-7, 2009, Victoria, British Columbia, Canada.
Summary:
This paper presents a system called Ripples which deals with visualizations in direct-touch display systems. The main purpose of Ripples is to help with the feedback problem in touch displays. Even though this is a known issue, not much attention has been devoted to this type of research. The authors believe the so-called "fat finger problem" created frustration in users since it lacks a way to attribute unexpected results to their actual causes. One of the main problems with the fat finger is missing targets. Another key issue is that depending on the hardware of the application, a user may not feel a feedback on a click.
Discussion:
With systems moving quite fast to touch displays, I believe this area of research has an enormous field of study. It will be interesting what kind of discoveries will be made that can help us develop better applications for touch screen tv's, smartphones, tablets, computers, etc. In particular, the focus of this paper is interesting because when a click does not perform the action it is supposed to the user typically gets frustrated. Therefore, a feedback mechanism that allows you to know if an action has been taken sounds great for debugging know issues.
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