200000 readers are not reading 200000 feeds

Few days ago Phil Wollf started talk [@ klog apart] about scalability of XML news distribution: "Scaling Echo: P2P and Cached Feeds".
"The syndicated blogosphere will reach 300 million feeds in 3 years."

intresting, I've been thinking abouth the same just yesterday without reading his post.

Update: I need to return to this issue later... I have some interesting thoughts to publish... later!