Phone have a very important part in our life.
I time phone is a part of our family. And we know the importance of Phone.
As we see the we have many types of Phone in are society.
And phone fil our loneliness
Ans the great thing is we play games in the phone and we increased our brain power. But when e asked it's very useful, ather side phone are equally or more than harmful to human. They produce redation it so harmful . And the over use of the phone effect our eyes and vision power .in the limited use phone are h great invasion in human history . Thanks