Haptic technology
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Haptic is a term refering to the technology of touch. It is an emerging technology, that promises to have wide reaching implications. Data representing touch sensations may be saved or played back using haptic technologies.
Some low-end haptic devices are already common. Joystick and Game controller are examples.
One envisioned use of haptics, is for teldildonics. This used to be though a fanciful notion, not really having any bearing on reality, but recent developments such as the 'cyber glove' indicate that it might not be so strange a notion.