Bill Gates warned that artificial intelligence could become powerful enough to create catastrophic risks, saying it could "drive events that ... cause a billion deaths."

Bill Gates warned that artificial intelligence could become powerful enough to create catastrophic risks, saying it could "drive events that ... cause a billion deaths."

Speaking on NBC's Meet the Press, Gates said:

"Although it's quite difficult to get to 100%, there has never been a weapon as powerful as the combination of people with bad intentions using the latest artificial intelligence tools."