2 câu trả lời
Benefit :
+Affect eyes
+Insomnia
+Depression
+Tired stress
+Memory decline
Drawback :
+Easy to contact
+Easy access to information
+Take pictures easily
+Locate
Drawback:
-Smartphone adversely affects your eyes
-Not good for sleep
-Make you alienate from everyone
-Hand pain
-Makes you hallucinate
-Affect the brain
Benefit:
-Smartphones bring many uses for users
-Take photos wherever you are with your smartphone
-Have all times, plans and locations in the palm of your hand