What difference does a sapphire display make for smartphones?

See the original posting on The Verge

The increasing use of premium materials in smartphones has gone hand in hand with the trend of them being presented as lifestyle and fashion items rather than mere gadgets. This year has seen the HTC One set a new design benchmark for Android (and now Windows Phone) handsets, Samsung switching to using real metal in its phones, and Sony refining a design language built around tempered glass and aluminum. But the hot new story is sapphire. Apple has committed an entire factory in Arizona to…

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