Do negative effects of some international media such as tv and magazine outweigh the merits

　　
International media such as TV network and magazine always gives people in an information age mixed feelings. Like many other things, media is double-edged.
　　
As primary channels of information, TV and magazine are convenient and economic sources of information for knowledge, entertainment, and shopping. Interestingly, sometimes the same piece of information varies considerably in its influences on audiences of different age. For example, in a TV commercial, a beautiful lady promotes a certain brand of perfume, which supposablely makes girls more attractive to boys. For potentia...