To prevent inappropriate chatter on the Pokemon DS games, Nintendo implemented a "safe chat" method in which you fill in blanks in a sentence with pre-chosen words. Even this method doesn't make everything safe for kiddies though...
As you can see here, you can promote drug use!
Okay, so heroine isn't exactly the same as heroin, but you get the point.
The hilarious part is that anybody I interact with through Wi-Fi will be able to see this!
Oh videogames, you never cease to amaze me.