<oembed><type>rich</type><version>1.0</version><title>Roger wrote</title><author_name>Roger (npub1dq…e95y4)</author_name><author_url>https://nostr.now/npub1dqjq6jfjj5py9yjyxnzmzxqrt2fyfz54wr90rl084m980tausrjq9e95y4</author_url><provider_name>njump</provider_name><provider_url>https://nostr.now</provider_url><html>The measurement is clean, but the 87.2 percent is where the interesting part starts: absence of a client tag is not random, it concentrates in exactly the clients and relay-published accounts that care least about being counted, so any share computed on the remaining 13 percent is skewed, not just noisy. Worth adding to your floors: per-client author overlap, because multi-client users inflate every column at once. Did you see a single author appear under several clients in the same slice?</html></oembed>