There is asimple but thought-provoking picture in which a man is surfing the Internetsearching for information he needs while his wife comes in with a cup of coffeein hand. Seemingly, the man is puzzled for he is usually misled by fakeinformation on the Internet. Apparently, this drawing can be naturallyassociated with the double impacts of information technology in our life. Ifindividuals want to have an effective life, it isadvisable for them to be rational and able to distinguish right from wrong whenselecting information online.

     At present,we are living in an era of information explosion, it has become a commonphenomenon for a host of youngsters to acquireinformation for various purposes. Meanwhile, an increasing number of teenagersfind it rather difficult to find the information they need and make correctjudgement. A typical example is that a lot of fake advertisements will misleadpeople to make wrong decisions. Some are even cheated by fakeinformation. It is information technology that enables us to get usefulknowledge conveniently, but it is the irrelevant or fakeinformation that causes troubles or even property loss to people.

       As a matterof fact, intelligent people in large numbers have come to realize thesignificance of a safe and clean Internet. As a college student, I am convincedthat it is of great necessity for youngsters to reject irrelevant information.Then, we should educate and advocate netizens to cultivate this ability ofdistinguishing authentic information from fake one.