Apple CEO Tim Cook confirmed on Tuesday during the company's quarterly earnings call that it has sold more than 1 billion iOS devices to date since launching the original iPhone over seven years ago. According to Cook, the impressive milestone, which accounts for the iPhone, iPad and iPod touch, was reached in November and was helped along by a record-breaking 74.5 million iPhones sold in Q1 2015. The milestone device was kept by Apple and is at the company's Cupertino headquarters.

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Cook emphasized that iPhone 6 and iPhone 6 Plus demand was stronger than any other iPhone it has ever released, selling at a pace of roughly 34,000 devices per hour. The success of the iPhone 6 and iPhone 6 Plus was aided by the widest international rollout of an iOS device to date, with the smartphone launching in more places than ever before and in a total of 130 countries.