voice interface is here, and it is already mainstream. True, it still sucks. But it is getting better, and as Wired points out in a pretty cool article, soon it will not suck.
But there is still an issue. Here it is
You only discover its capabilities in the course of a personal relationship with it.
In other words, your personal assistant will only be useful if you allow it into all of your routines. And that will only happen if you like it.
Ready for the charm offensive? This should be fun!