Will phone kill letter writing

Recently young people tend to phone more often than write to each other, so some say that phones will letter writing still has a strong vitality, it can not be killed by phones so easily in mordern time.
First of all,it’s true that phones are convenience to inform efficiently,but if can not burden much more. There are always something you are unwilling to speak out. At that time, you can ask a letter writing for help.So letter writing give you more freedom and room on the content.
What’s more,letter writing has longer quality guarantee period than words said out.in the result of this,you can keep them just as treasure a present of your friend.and you can visualize the conversation right away even after a very long time.
Last but not least important,letter writing always has fewer mistakes so it is a ripe fruit of thought,comparing on phone,words lack of enough consideration.
All in all,letter writing is free and has a merit of longevity,it will not be killed by phone ,for it is mature thought and has modern form such as e-mail,I reckon that letter writing will last for even a long time.