text: Another opportunity for kids being on their cell phones during free hour is that if they have a love one or somebody that needs to be called then they can call them right then and there, like if they need to check on there sibling if there home by them self. Another way cell phones can be useful is if they need to call there parents to see what they need to do when they get home from school, instead of walking all the way to the office to call somebody important.Just A Natural Landform..