Had it been any other day, Susan might have been inclined to ask what fontech was. It sounded thoroughly ridiculous, as far as she was concerned. Clearly some of these people had never heard of naming things sensibly.

"Keeping in touch with the other people here. It's like a portable clacks."

Or... at least it was tolerably close. She still wasn't sure how they'd managed to get the towers to be that small, much less how the machines knew which device was talking to which, but she'd that sort of thinking to the wizards.