New approaches and technologies that provide tactile feedback (haptic) are reducing component size, increasing sensitivity, and driving costs down. These trends are allowing manufactureres to consider using haptics in new and innovative applications. Cellphones could soon have a tactile "display", for example, and portable gadgets containing a GPS device will be able to nudge you towards your desired destination. One proposed device consists of a headband that imprints the shape of objects in front of it onto the wearer's forehead, something that visually impaired people could find a great help when navigating though a cluttered environment.
Via NewScientist
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