What is the fine-grained topic of the following text: So if you’re ever in Germany and need to use somebody’s German computer, remember, the Y and Z have switched and the @ has moved, but you do have keys for ä, ö, ü and ß.
QWERTY has changed to QWERTZ because the letter z is used far more than the letter y, and the @ sign had to move to make space for the ä. Only return the topic.
Differences in German keyboard layout compared to others