index all the world's information until around the 24th century

Chief executive Eric Schmidt estimates that Google won't manage to index all the world's information until around the 24th century.

It could take 300 years to index all the world's information and make it searchable, Google's chief executive Eric Schmidt predicted on Saturday at the Association of National Advertisers annual conference in Phoenix.

"We did a math exercise and the answer was 300 years," Schmidt said in response to an audience question asking for a projection of how long the company's mission will take. "The answer is it's going to be a very long time."

Of the approximately 5 million terabytes of information out in the world, only about 170 terabytes have been indexed, he said earlier during his speech.