Right. For most of the things I follow I would want to get all the posts, but I wouldn't mind a sprinkling of content I would be unlikely to find. However isn'

Right. For most of the things I follow I would want to get all the posts, but I wouldn't mind a sprinkling of content I would be unlikely to find. However isn't there a fundamental problem with trying to create an automated system that delivers content interesting to you and doesn't simply amplify what's already popular (this one's called Google)? At some point humans with taste and judgement have to read content, so I take the skeptical view that an rss feed (or something functionally equivalent) from aggregated news site read by like minded people is as good as it gets. For a recent example see the Left Fold weekly newsletter. Almost every article has had a good run on HN/Slashdot/similar.