every time when we change the tv channels,we will see various advertisements.although different people have different ideas about their advantages and disadvantages,i think advantages weigh more.the major advantage of advertising on tv lies in its convenience.every time when we change the tv channels,we will see various advertisements.although different people have different ideas about their advantages and disadvantages,i think advantages weigh more.the major advantage of advertising on tv lies in its convenience.every time when we change the tv channels,we will see various advertisements.although different people have different ideas about their advantages and disadvantages,i think advantages weigh more.the major advantage of advertising on tv lies in its convenience.vevery time when we change the tv channels,we will see various advertisements.although different people have different ideas about their advantages and disadvantages,i think advantages weigh more.the major advantage of advertising on tv lies in its convenience.every time when we change the tv channels,we will see various advertisements.although different people have different ideas about their advantages and disadvantages,i think advantages weigh more.the major advantage of advertising on tv lies in its convenience.vvvevery time when we change the tv channels,we will see various advertisements.although different people have different ideas about their advantages and disadvantages,i think advantages weigh more.the major advantage of advertising on tv lies in its convenience.