The only difference is that when they vote yay or nay on a post, they affect the poster's reputation either a little or a lot. People who are more active in the board tend to gain more by their participation - gaining via positive comments or by merely existing. A run-down on how the points are computed is listed here:gfkostas said:It is unclear what someone with many reputation power points can do in comparison to someone who hasn't got any.What's the difference?...apart from showing off your credibility as a member .Perhaps you want to elaborate on that CM
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As of now, most everyone has a modest rep. There are only about 14 users with reps over 50. This should change once more people get into it. Does that answer your question?