yes, it's very plausible as a thing in itself. They can succeed without replacing smartphones. Computers keep shrinking, from mainframes to desktops, laptops,

yes, it's very plausible as a thing in itself. They can succeed without replacing smartphones. Computers keep shrinking, from mainframes to desktops, laptops, smartphones. I'm curious about the next smaller form-factor, and argue it's not watches, but glasses. That was the claim I meant to make.