We find it interesting that they measured it in millimeters because most Americans don't have a concept of what millimeters are. We're used to inches. However it appears that Apple is so iEgotistical that it didn't check any of the competitors including Motorola and Huawei.
The iPhone 5 news release stated, "iPhone 5 is the thinnest smartphone in the world."
According Strategy Analytics there are at least three smart phones that are thinner than the iPhone at 7.6mm and they are the 7.1mm thick, the Motorola RAZR XT909, Motorola Droid RAZR and Motorola RAZR XT910.
However the world's skinniest, slimmest, thinnest smartphone is in fact The Huawei Ascend P1 S was unveiled at t CES in January and measures 6.68mm with HSPA+ connection. Not only that it is more colorful than the iPhone 5 and comes in cherry blossom pink, white and black.him
The problem is that if you what more battery life, you need a bigger battery which makes the smartphone wider.