英语达人帮忙 好心人求助题目是：why companies put ads in TV programs? 名人做广告的

Why companies put ads in TV programs?
As we can see,more and more ads are appeared in the TV programs,most of these ads were
advertised by celebrities.Ads with celebrities are obviously more popular than the common ones.So that is what we often called " celebrity charm".Clever busniess men got the idea that modern people like celebrities,so do their products.Ads with celebrities become the most popular way to promote goods.
A simple example,young people attend to watch entertainmental programs.Because they are very funny,but not very educational.Children and workers all want to watch entertainmental programs to relax themselves.So for educational Tv programs,they are only welcomed by olders or high-class scholar.