text: People can decide the view of the opinion based on person's experience and person who asked a question will have opportunity to consider about all opinion to make better choice. Each person has different experience. And they use their experience to decide the best choice. For example if person wants to do bungi jump and ask people whether to do or not. And if the person whose answering this question had tried bungi jump and felt that it's fun,that person will say it was fun so do it. But if the person whose answering this question saw the news about accident while bungi jumping,that person will say it's dangerous so don't do it.