The world today is very developed, which means that science and technology are also very developed, especially smartphones, they are many advantages. Because they are very useful, and especially for our students. By it, we can look up learning materials, helping us to study better. And we can also use smartphone to communicate with teachers more easily, especially during a pandemic like this. And now, it's even more useful to our students than learning through television, to ensure that knowledge is not lost. You can already see how great smartphne is for our students, though it still has its downsides. On the Internet, there are still some bad websites, which will affect the development of students. Even so, smartphones are still necessary things for our life
