Oh, I see. So it's widely used equipment that everyone knows about. [ That's definitely familiar to him, and what she says afterwards is also relatable. ]

We have devices called PETs - personal terminals - that replace cellphones, where I'm from. Not seeing them around was quite unnerving for a while, so I can understand how you feel at least in part.

[ Though PETs were a lot more integral to daily life, for him. But so might these be, for her, if she's (he assumes) passionate about it. ]