Has it ever happen to you?Have you ever discussed upsetting or controversial problems with others on call and then find that you had an unpleasant argue?Things might change nowadays. We live in a world where knowledge is accumulated by mutiplying and at the same time technology has been dramaticly developed.Writting letters was considered to be time-consuming and instead phone-calling and e-mail have already took it place.We can see that more and more people call or text to others by cell-phone all over the place.And that’s the problem,which way is better for people to negociate when they have upsetting ot controversial problems? As the pace of our sociaty is accelerating,conflicts burst out through out life.It is a common scene that an employer has opposite views with his superior,a consumer has a bad comments about the merchant,even a child may have a qural with his parents.And the only way to solve these problems is communicating.But,as we all know the correct choice of communicating method means a half success of negociate,the unproper choice may sharpen the dispute. Thinking back all the quarels you had in your life,have you ever found that face-to-face discussion may make it worse?I have chosen to discuss an academic argument with my partener after class and then find that we can’t persuade each other simply because all we want to do is to convice the other side and refuse to listen.But after we went home and e-mailed each other,we were able to calm down and think of it both sides,eventually the compromise was made and we solve the problem in a best way. So it is obvious that phone-calling has the same effect as face-to-face talking,it ask people to react rapidly,and very usful for emergency.But e-mail or text is much slow down,it allows people to reply them whenever they are free.And what’s more,it may cause less disagreement since people have enough time to think. Different people may have different prefernce,and both phone-call and e-mail are benificial to our nowadays life.Though I insiste that e-mail is a better choice for controversial problems,they all brought huge changes to our society.