Our software currently allows for this, but we have yet to expose it through the UI. It is something we hope to get to soon, but for the time being users have to contact us to change how their site's ranking works. - SS
TIS mentioned story placement timing and power user points. Any more details?
Good read, great to see Slinkset getting more exposure.
I personally think that whole notion of user-voted content and the technology behind it is still in its infancy. I see Slinkset as part of the next step in its progression.
I also had a similar idea back in the winter but didn't end up pursuing it and did something else. So needless to say their success makes me feel extra warm and fuzzy.
Of the recent YC funded companies, I'd have to say it's in my top 2 favorites (TicketStumbler being the other).