Google pledges $25 million in new artificial intelligence challenge

Google's artificial intelligence chief Jeff Dean speaks at an event Monday. Google says it wants to help people do positive things with artificial intelligence. The search giant on Monday announced a new challenge for nonprofits, universities and other organizations working on AI projects that will benefit society. The contest is called the AI Global Impact Challenge, and the company has pledged $25 million in grants. The challenge is part of a new Google initiative called "AI for Social Good."