reddit and digg don't really have content suggestions built in. They should be able to compare your interests with other people's interests on the site and actu

reddit and digg don't really have content suggestions built in. They should be able to compare your interests with other people's interests on the site and actually curate the submissions automatically for ones that you'll most likely like. Right now everything is determined via actions, such as following subreddits and looking at the what's hot pages. It could be much more personalized with some machine learning.