arrjayjee

I'm surprised they managed to get Jen Taylor's voice and accent to work so well as a procedural voice algorithm.

Calorie-Kin

I've read that a lot of the clips that aren't data are just recordings.

DJexs

There is a company that can replicate anyone's voice with only 10 hours of audio. I believe the processes is called voice cloning. This is awesome because Morgan Freeman's voice will not be lost lol.

Veridic

It's the same as a google search, or should I say "bing".

The computation is being performed on MS owned computers, and logs are being kept. Of course you should assume it's being monitored.