404. That’s an error.

The requested URL /bookmarks/mark?op=edit&bkmk=http%3A%2F%2Fwww.wigderson.com%2Fin-space-no-one-can-hear-you-scream%2F&title=In%20space%20no%20one%20can%20hear%20you%20scream&annotation=The%20city%20council%20of%20Planet%20Madison%20take%20up%20astronomy%2C%20decide%20to%20ban%20smoking%20on%20Pluto. was not found on this server. That’s all we know.