The chat functions on GameTap are somewhat aggressively filtered. "Ass", for example, is forbidden.
This makes for very amusing conversations when talking about college classes.
Or maybe they just don't want us to go to school because that would interfere with playing their video games!
I also recall someone "censoring" the Bill of Rights this way. Ah, here it is, though it was the First Amendment:
"Congress shall make no law abridging the freedom of s***ch, or the right of the people peacefully to ***emble, and to pe***ion the government for a redress of grievances."