I found this news article on Macworld that Phil Schiller contacted the
developer of the Ninjawords dictionary app for the iPhone/iPod Touch.
He said that the application was blocked because the app pulled the
information from Wiktionary, which he says it contains offensive
"urban slang" terns that traditional dictionaries (like paper) don't
have. He said that putting a 17+ rating would be all that he needed to
do. So I starting to wonder if Apple is starting to censor apps that
can access "offensive" words, not just Wiktionary, but all of the
Wikimedia Foundation projects.