I don't know, what DOES happen when it's all glass? Is part metal, part glass supposed to be particularly difficult relative to that? And who says hardware is e

I don't know, what DOES happen when it's all glass? Is part metal, part glass supposed to be particularly difficult relative to that? And who says hardware is ever going to be 'all glass'? I don't understand. My suggestion is that probably at that point, Apple will continue to have sleek, advanced products that dominate the high end of the market.