Apple hints at future devices with multiple feedback responses
An Apple patent (number 20100156818) for a multi touch with haptics has appeared at the US Patent & Trademark Office. It hints at upcoming iPhones, iPod touches and iPads that would accept a number of physical feedback responses through haptic feedback.
http://www.macsimumnews.com/index.php/archive/apple_hints_at_future_devices_with_multiple_feedback_responses/
