We were already impressed with Cortana during our early tests back in April.

Cortana was even able to correctly predict the outcome of most of this year's World Cup matches.

But recent words from Microsoft CEO Satya Nadella hint that this is only the beginning. Nadella sent out a massive memo to employees detailing his vision for the future of Microsoft Thursday morning.

Buried deep in that 3,187 word email was a subtle clue at the company's intentions for Cortana.

Right now, Cortana is already built to learn more about you the more you use her.