Where are we headed? Predictions point towards a future where devices will become our "digital shadows," a reflection of everything we are, and even hope to be. The question is: Is that a good or bad thing? And, does it even matter?
There are many reasons why artificial intelligence can be threatening, but I would put accidents far above malice. Some futurists worry that tiny self-replicating entities could envelop the world causing ecological collapse -- a nanotechnology apocalypse known as the "grey goo hypothesis."