(American here, but pen-and-paper snob). I literally was walking through my apartment as I was reading this, looked over at the (Rhodia) notepad on my counter,

(American here, but pen-and-paper snob). I literally was walking through my apartment as I was reading this, looked over at the (Rhodia) notepad on my counter, and thought "hmm, looks about right". I'd imagine Rhodia is pretty correlated with the popularity of fountain pens.