advantages and disadvantages of using technology in today's classroom

Advantages:
1.It can make lots of students be intersted in this class.
2.Every students should come to the class.
3.Connect teacher and student more easier.
4.It can improve student's grade.

Disadvantages:
1.Let the students distraction, only intersted in technology.
2.If students just use technology in classroom, the teacher have not been adequately trained in its implementation.
3.It cost lots of money.
4.It lost student's time in connect those technology.