You see, it logs all our conversations, so that you can go back and study them later.
When I refer to "Gü", it ends up in her log file as "GÃ¼".
Being the sort of irritating so-and-so that I am, I typed "GÃ¼" into the little window. It turns out that this appears in the log as "GÃƒÂ¼".
This could keep me entertained all night.