I already read these Google Reader!

I think Google Reader is punishing me for perennially having (1000+) unread items! I like that word, perennially. Not really appropriate for this discussion as blog feeds don't grow. Or do they?

This morning the site reported I had unread items, even when I went through and read them all. This means I'm seeing the same stories being reported as new, despite having already read them!

Has anyone else been having this problem? Given this is Google I'm fairly confident it'd be fixed in a few hours, knowing me I'm just an anomaly in their database that's wrecking havoc or something. I have that effect on people, you see.