From the Microsoft Research Blog: Most of us can only dream of having the perfect personal assistant, one who is always there when needed, anticipating our every request and unobtrusively organizing our lives. Cortana, the new digital personal assistant powered by Bing that comes with Windows Phone 8.1, brings users closer to that dream.
For Larry Heck, a distinguished engineer in Microsoft Research, this first release offers a taste of what he has in mind. Over time, Heck wants Cortana to interact in an increasingly anticipatory, natural manner.
Cortana already offers some of this behavior. Rather than just performing voice-activated commands, Cortana continually learns about its user and becomes increasingly personalized, with the goal of proactively carrying out the right tasks at the right time. If its user asks about outside temperatures every afternoon before leaving the office, Cortana will learn to offer that information without being asked.
Continue reading about Cortana here.