What did you use? More mechanical things?

[He takes a sip and takes a moment to think, counting things off on his fingers, under his breath.] Hm, no. No. Oh, there was--wait, no. Let's see...

[They just started, he doesn't want to break out the heavy stuff just yet, and a lot of his (short) list are things he's pretty sure none of them have done either. World-specific, if you will.]

I suppose the reverse would be simple enough, but a bit unfair. Never have I lived anywhere with a "public library."