Nowadays, Internet technology has more and more developed. It has changed our life more and more. As we know, It made our communication more and more convenience. we can communicate with each other through the internet at anytime and anywhere .It will save our time ,we dont have to waste time to wait a letter through post office. Because we can give message through MSN or e-mail immediately .Moreover ,we may have more freedom to talk through the Interenet.But it also have some bad influence,
