Sundar Pichai said AI is one of the most important things humanity is working on.
Google's AI is so smart it doesn't need any help from humans.
Google's DeepMind creates AI that uses basic reasoning to find the quickest route on the Underground.
Google artificial intelligence algorithm to play world champion of ancient Chinese board game Go.
The U.K. firm is the latest AI startup to be acquired by a major U.S. tech company.
Google's AI algorithm has beaten a professional human player at the ancient Chinese board game Go.