Artificial intelligence, or AI, is all around us today--and it's often invisible as we go about our daily lives. Companies are successfully using AI for credit card fraud detection, speech recognition, Web search rankings, automated customer service, legal discovery, photo search, translation, and even farming. A few weeks ago, Google's AI program AlphaGo beat Lee Sedol, a human champion of Go, an ancient and complex game long thought to be beyond computers' ability to master. It won after learning to play from millions of games. The list of positive uses of AI is growing.

Artificial intelligence, or AI, is all around us today–and it's often invisible as we go about our daily lives.