机密十七：iPad原型

    和iPhone一样，苹果的设计师们也为平板电脑设计了许多原型。上面的iPad非常粗糙，而且前面是不是少了什么东西？没错，就是那个无处不在的home键。

The iPad, prototyped

    Just like the iPhone before it, Apple's designers explored many potential looks for its tablet. Here's one early -- and very rough -- digital model. Missing from the front? The now-ubiquitous home button.