Some are very concerned about their scores and grades in Yahoo Knowledge+. I used to be one of them. In time, however, I come to realise that what really beneficial to ourselves in reality is the knowledge, not the scores nor the grades.
Of knowledge in the Yahoo + A problem, some people would be better mind their own scores and grades, I'll have the same,
However, after a period of time, I understand the original scores and grades not even be able to bring the real world.