Anything that doesn't segregate the users? Has nobody read The Sneetches? http://en.wikipedia.org/wiki/The_Sneetches_and_Other_Stories

I liked neilk's idea a lot better: http://news.ycombinator.com/item?id=466155

And jacquesm's idea best: http://news.ycombinator.com/item?id=467573

Why do we need to show points?