"I would think the biggest value will come in when it actually replaces human
"It should replace people in a big
Buffett told CNBC last week he owned about 81 million shares of IBM at the end of 2016
"Watson is a pretty amazing invention," Buffett said. "I'm sure the revenue is growing very significantly but from a very small base."
"I think it has great potential. It has not come along as fast commercially as you would have hoped," he said.
On Saturday, Buffett spoke for hours in front of some 40,000 attendees at the CenturyLink Center in Omaha, Nebraska, the site of Berkshire Hathaway's annual meeting.
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