China Digital Times reports that Chinese goverment just censored the letter 'n', George Orwell's novels 'Animal Farm' and '1984', and the phrase 'Xi Zedong' (a combination of Xi Jinping - China leader and Mao Zedong). Right now I am not sure why they banned the letter 'n', but propably it is a symbol of anarchy or mutiny.
Few months ago they banned images of Winnie the Pooh because of these memes: