This particular case seems justifiably ridiculous, but censorship can affect much more controversial issues. The Internet, being a relatively new medium, is relatively untouched by governmental regulations. Of course, we already know well enough about censorship in real life. One example that touches me personally is the language law here in my home province of Quebec. In most countries, more or less severe laws against freedom of speech are passed.
Censorship is imposed against all medias, from newspapers to one's own speech.
But the notion of censorship, and its roots, is much more pervasive and far-reaching than we imagine. At first glance, the question seems complex and problematic. But seen in the eyes of a freethinker, the answer is somewhat more obvious. It basically applies to the action of examining in order to suppress or delete anything considered objectionable. We see that there are here two aspects of censoring - the initial examination and the potential intention of supression.