Apple's iOS 7 was on 200 million devices within five days of its public introduction, making it the fastest and biggest software update ever, Apple CEO Tim Cook said on Tuesday.
Cook, who was speaking at an event in San Francisco, also said that 64% of iOS devices are now running iOS 7. "That blows away the other guys," Cook said.
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Apple first introduced iOS 7 to developers in June, but didn't introduce it to the public until Sept. 18.
Image: Flickr, Janitors