Who said the advertising words of Apple 6?

The advertising slogan "bigger than bigger" of Apple 6 was said by Tim Cook.

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Although two big words are used continuously in English, they will not cause misunderstanding. Anyone who knows a little English can understand that the second big character refers to the size, while the first big character advertises the revolutionary significance of iPhone 6. The general meaning of this sentence is that the iPhone 6 has become bigger than the previous version of the iPhone, but it is not only large in size, but also has many features worthy of a great book.