AI by the numbers

Artificial intelligence is having a significant impact on mainstream business and computing after years of being in the hype cycle. Companies such as Amazon and Netflix have saved billions of dollars a year, and AI is expected to boost the global economy by trillions of dollars over the next several years. Concerns about AI's use remain, however, including security risks and biases it could introduce into hiring and society as a whole as well as bad decisions it might make due to poor underlying data quality. Here's a snapshot of the present and future of AI, told in 11 statistics: That's a 14 percent increase, more than the current economic output of China and India combined, a PwC study projects. Some $6.6 trillion of the boost will come from increased productivity, while $9.1 trillion will arrive as a result of increased economic consumption.