“It makes you temporarily unfindable by GPS, both mundane and magically enhanced, as well as hiding you from locator spells,” Sydney said, answering the question Laurent hadn’t thought he had spoken aloud. “Oh,” he said again, feeling as if he, too, had been rendered unfindable. Whatever this was, it was not how he had planned to spend his morning.
Wait. Isn't the point that he WAS just rendered unfindable? Or was it Sydney/the apartment? If the latter, that's not how I read it.

