This is a fairly uninformative post, pretty much all it says is that Digg is using an item-item collaborative filtering algorithm. That's not particularly inter

This is a fairly uninformative post, pretty much all it says is that Digg is using an item-item collaborative filtering algorithm. That's not particularly interesting in and of itself. If they went into the technical details about the challenges of creating an item-item collaborative filtering algorithm at Digg's scale, that would be an interesting read.