The way MJF quoted this article made it sound like Cortana might be released on Threshold but I m glad this isn t the case.Also...
As is the case with Cortana on Windows Phone 8.1, Cortana will be an app, not part of the operating system itself,Oakley Prescription Eyewear, Neowin s Brad Sams said.vs.As of right now,Gascan Oakley, Cortana is an app; it s a simple app that opens up the personal digital assistant where you can then either type in your question or ask verbally inside a smallish window. It s not a full screen experience like you see on Windows Phone.
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Cortana is expected to integrate into the OS as well, much like she does on Windows Phone, but at this time the deep integration into Windows Threshold is slim but there are plenty of time for improvements.