Believe it or not, there are still people who flinch at the sound of a curse word or any kind of obscenity. They do not want to be surrounded by anything that can spoil their sense of aesthetics. They are not necessarily firm believers who detest any form of sinful behaviour, but people who dislike the idea of abusing their native language. No wonder that the pleasure they take from surfing the Net may be so easily spoiled. After all, anyone can put almost anything on web pages. Thankfully, programmes such as a Web filter protect Internet users from accidentally opening sites with inappropriate content. If you spend some time surfing the Net, sooner or later you will come across sites on which indecent language is used, such as all kinds of blogs or forums or any other web pages on which comments may be added. There is also a considerable number of pop-up windows on which there are inappropriate pictures of naked women or intercourse. Someone who is only looking for innocent entertainment will find Web filtering very useful. A computer that has a set of different filters installed on it will automatically block any such pages and spare its user moments of irritation and embarrassment.