I came across a social news discovery site called Spotplex. We can’t really call it as a Digg-like site because it doesn’t count votes to promote the article, but instead it counts the number of impression. Blog owners have to insert Spotplex tracking code into their template and Spotplex promotes the article based on the impression counts within a certain time frame.
Whenever someone reads your post, Spotplex tracking counts the impression and determines what is the hot news today, this week, or this month in real time at Spotplex. Additionally, Spotplex tracking code can also be utilized to keep a count of your blog statistics.
While this sounds like a better idea, it has its own, ups and downs. I’m not sure, if Spotplex has an anti-gaming algorithm, but if they don’t, gaming might be a major concern for them. While such a model, eliminates things like mafias and team buries, at the same time gaming it is no big deal (assuming that they don’t have anti-gaming algorithm, you just have to artificially inflate impressions).
Impression based model makes it extremely hard for small blogs to reach their frontpage. Rich keep getting richer 
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