if you're a user with, say, 20 feeds, in google reader - we think its valuable being able to match those feeds to what you've read externally. As with that amou

if you're a user with, say, 20 feeds, in google reader - we think its valuable being able to match those feeds to what you've read externally. As with that amount of feeds the daily amount of articles is manageable, so its all about pruning it to keep the redundant stuff out.