All good and well. But how is Apple going to recycle* the unbreakable saphire glass?
(*) The Lifespan of an iPhone is only 12 months until the next generation pops up, 48 months until you can't update your phone with the latest iOS.
My point is:
Shouldn't it be better to make the iPhone waterproof instead? That'd be a useful feature relevant to everyday life (It's raining right now in Belgium). Having unbreakable glass that can withstand 1 ton sounds like a...