According to "AppleInsider" (http://www.appleinsider.com), a patent (number 20120078635) shows that Apple has shown interest in bringing Siri functionality to other devices, like Macs, by pairing them with an iPhone to share its voice control abilities. The describes the current Siri system -- which Apple calls a voice activated personal assistant -- found on the iPhone 4S, but adds the new element of pairing with a second electronic device to grant it voice control.
Here's Apple's background and summary of the invention: "Portable electronic devices, such as digital media players, personal digital assistants, mobile phones, and so on, typically rely on small buttons and screens for user input. Such controls may be built into the device or part of a touch-screen interface, but are typically very small and can be cumbersome to manipulate. An accurate and reliable voice user interface that can...| Read more »