Soft-spiky mouse changes textures according to the amount time that user works with the mouse or the achievement of a given task. For example, if the user works with the mouse too long, the mouse would display spiky textures to raise awareness to the passage of time and/or the need for refreshment or break time – like a small pet bugging its owner. Alternatively, soft tactile feelings could be displayed if the user completes a task, which would provide a pleasurable tactile feeling that would be experienced as a form of encouragement.
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