404. That’s an error.

The requested URL /bookmarks/mark?op=add&title=http%3A%2F%2Fblogs.intel.com%2Fintellabs%2F2010%2F04%2F12%2Fhow_was_your_commute_today%2F&t=google&v=3 was not found on this server. That’s all we know.