millions of simultaneous users
Citation needed.
*snort*
Anyway, it's the first time I've seen a Star Trek-like computer working for real (well, the same special conditions could exist in a spaceship).
Not sure what you mean by this, my dear AC. AplSiri / GNow / MSCortana work the same way and can be used to create similar demos. Heck, there are a lot of similar products out there -- the Amazon Echo is even more Star Trek-like since it's always on & listening.
Have you really never played with Siri before?
Read Trust me, I'm Lying -- it is a book by a self-confessed media manipulator who got depressed and [...]
Especially read the Amazon comments about that book, including the one that claims that right there on the Amazon page are patterns of manipulation of reviews and ratings of the book that suggest he is cynically trying to manipulate people to make a pile of dollars, and hasn't actually:
[...] left the industry.
"Your mother was a hamster, and your father smelt of elderberrys!" -- Monty Python and the Holy Grail