What did people do with phones in the 1890s? Even your closed set is much, much more than that.
What did people do with computers in the 50s, or PCs in the 80s? We do a lot more than that now.
With greater capability comes more, even if we don't yet know what "more" will be.
If I don't buy a new computer every few years, what I have will be nearly worthless because software has a funny habit of finding ways to spend all available resources, even if it does most of the same things. I just don't think I would be that disappointed if I was still using Win 95.
> With greater capability comes more, even if we don't yet know what "more" will be.
If you discount network speed and pixel density, "more" hasn't been much in 25 years as far as I can see. Miniturization means I can carry a laptop around with me, ok.
Likewise with phones. Android and iOS are about 8 years old now. What can we do that we couldn't then? _not much_ as far as I can see.
We're definitely past the point of diminishing returns when it comes to resolution, and near or already at the point where physically your eye can't couldn't tell if the pixel density was higher. So what's left?
If most instances of greater capability can be implemented as a thin client, then it's not CPU performance that is the bottleneck, but mobile ISPs and aged infrastructure.