If you are a Halo game player, you already know Cortana.
Cortana has been in news since yesterday when Microsoft announced its new Windows Phone 8.1 and its personal assistant. Cortana is a factious artificial Intelligence (AI) character from Halo game and the voice is voice-actor, Jen Taylor.
Contana is the female voice of the personal assistant in Windows Phone
Cortana superstar of Windows 8.1 Family
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Watch Cortana in real Halo game: