The singularity — the point where AI begins to accelerate its own evolution — may be happening now, and the most powerful players are reorganizing for the fight.

Evidence For

• Google jolted the tech world with a sweeping shake-up: DeepMind CEO Demis Hassabis stepped back from day-to-day control to become Alphabet's chief scientist, while CTO Koray Kavukcuoglu takes the helm.
• After 27 years at Google, legendary chief scientist Jeff Dean is departing with three other...