Good question.
There’s too aspects to this, the desin and technology. Our touch screens are currently made of of ITO (indium tin oxide) and indium is actually quite rare on earth and we’re running out. So we’ll need a replacement, lots of people reckon graphene will form the basis of phones which means we could have bendible phones that you could stretch and make bigger or smaller and wrap around your wrist. #
As for technology, we’re also very close to the limit of nanotechnology (it’s what my research is on) and when we reach that limit we can’t make transistors any smalles so we’ll have to get inventive about how all our technology works to try and improve it, perhaps we’d start thinking about bio interfaces or something
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