But smartphones compacted several other devices you may want to carry and provided a bunch of other new capabilities. An AI device isn't bringing any new capabi

But smartphones compacted several other devices you may want to carry and provided a bunch of other new capabilities. An AI device isn't bringing any new capabilities, you can already call an Uber or find local restaurants on your smartphone. If it doesn't have a screen, it's just a lower bandwidth mode of interaction to do things you can already do. As for productivity, without a screen it will be useless.