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Now playing: Watch this: Tim Cook: 'We're going to kill cash'



Apple is going to make cash a thing of the past, or at least that's what CEO Tim Cook says.

Cook, speaking with a small group of reporters after Thursday's MacBook event, said the uptake for the company's mobile payments service Apple Pay has been dramatic.

"We're going to kill cash," he said. "Nobody likes to carry around cash."

He makes most of his purchases with Apple Pay (which is not surprising).