I noticed today that the "Jobs near you" sidebar now features locations written in Chinese. Although I do read the language, I don't believe I've ever used an OS or browser with a Chinese language preference with StackOverflow.
You can see that some of the listings are in Chinese and others are not (although all translate to "Pittsburgh, PA, USA"). What's going on?
UPDATE: It seems I don't have to be logged in to see broken behaviour. At http://careers.stackoverflow.com/jobs/location/Pittsburgh%2C%20Pennsylvania%2C%20United%20States:
This reproduces with Safari, Firefox and Chrome on my Mac.