http://en.wikipedia.org/wiki/ReCAPTCHA
Read. Learn.
Much of the text content comes from sources with complex characters as it sometimes aids in the digitizing of books.
In related hilarity:
http://captchart.tumblr.com/
First one has a Chinese symbol in it.
I KNOWS.
Because i watched the karate kid today.
LOLWUT
No problem, I'm not fluent but I get around

