advantages:
1,u have time to take a break,ease ur drying eyes,go to toilet,etc;
2,sometimes commercials are funny,enjoyable;
3,u come to know about famous brands,and it's always chatting topic with people,if u know nothing about any commercial,u have less topic with friends
disadvantages:
1,most of them are boring;
2,prevent us from enjoying our desired tv program;
3,sometimes will change programs and miss them because of tv commercial;
4,mislead consuming;
5,a waste of time since the play it again and again
.