Good morning, dear judges, friends, and my teacher. Today we have a debate. The motion is this house belief that children under 13 should not be allowed to own smartphone. I disagree with the motion. Because smartphone is useful to children that is under 13 years old, they could do research, learn more knowledge, and also they could use it to play some games like spelling word, doing math problems, and also they can do homework in social media. The student that is using smartphone can also be top one in class and can be best at presenting in the competition. Maybe they can be in ICIA and go to the international university.