Also consider the advantages to Apple. It's their most expensive phone, targeted to people who have lots of disposable income. The kind of person who, if they

Also consider the advantages to Apple. It's their most expensive phone, targeted to people who have lots of disposable income. The kind of person who, if they drop and break their phone, will simply go to the Apple store and buy another one. Knowing that, why wouldn't you design that phone so it's slick on the sides, heavy, has glass on both the front and back and shatters like an egg when dropped? If you put glass on both the front AND back, you're doubling the chances of a repeat sale!