Senseg E-Sense

Haptic feedback based on electrical charges applied to a thin film inside a touch panel:

I've generally been unimpressed by haptic feedback that uses vibration. This, on the other hand, might actually succeed in making devices more usable.

(Found via Madhava Enros)

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But wait, there's more!

Want to read more like this? Buy my book's second edition! Designed for Use: Create Usable Interfaces for Applications and the Web is now available DRM-free directly from The Pragmatic Programmers. Or you can get it on Amazon, where it's also available in Chinese and Japanese.