So these are it, he thinks as he steps next to the boy to examine it; he saw a few on the way here on street corners, in something like phone booths. (He wonders where he learned about phone booths, not remembering one ever being relevant for a mission. Maybe he used one at some point.) He imagines these devices Diarmuid is referring to are likely similar to mobile phones, if they're used for communication. Phones can be tracked. He's not really interested in getting one.

"Yes," he replies, knowing the meaning of the words well enough. He doesn't know if he plans to use the network to post anything himself, but text sounds like the safest option. At least, it is if he can type quickly, and he realizes he doesn't know if he can. He'll have to find out.