Through a remote desktop connection, yes.
But directly use the display hardware, almost always the answer is no. There are few laptops with display in capabilities, but they are really rare.
Right, so we won’t realistically be able to use our other device screens as this article or the company claims, and will have to rely on monitors, TVs or VR/AR headsets. Could be useful for headless home servers I suppose.
Is there a way I can use my laptop screen or phone screen as a display for another machine as this claims?
Through a remote desktop connection, yes.
But directly use the display hardware, almost always the answer is no. There are few laptops with display in capabilities, but they are really rare.
Right, so we won’t realistically be able to use our other device screens as this article or the company claims, and will have to rely on monitors, TVs or VR/AR headsets. Could be useful for headless home servers I suppose.
I mean, you can connect it to your TV, or use a 100€ USB C display https://amzn.eu/d/05Vsw1nm