It's been the fodder for countless dystopian movies: a singularity in which artificial intelligence rivals human smarts.
But though it sounds like science fiction, many computer scientists say the singularity will arrive some time in the 21st century.
Still, few people agree on what that future will look like. Some envision epic battles between robots and humans, while others believe the rise of super-intelligent machines will usher in human immortality. [Extending Life: 7 Ways to Live Past 100]
From mass extinction to life extension, here are six potential implications of super-smart robots.