Nowadays, society develops, electronic devices such as smartphones, tablets... is necessary. Through them, we can communicate with my friends, my family ( if we live away from my family). Besides some electronic devices are connected to the Internet, so we can learn online, ask about our homework, ask all of the things we don't know... Not only that we can relax after we learn by play games, listen to music,... Can say electronic devices are so convenient and if don't have them our life will so difficult.