> Taking into account vote history, you can tumble through old popular posts not similar to anything voted on yet. Maybe push it out to groups of people who hav

> Taking into account vote history, you can tumble through old popular posts not similar to anything voted on yet. Maybe push it out to groups of people who haven't seen it to keep the comments and discussions to thrive. I like this. Also instead of a related link, just show the related things. And maybe stack overflow style user moderation.