404. That’s an error.

The requested URL /bookmarks/mark?op=edit&bkmk=http:%2F%2Fthisisindexed.com%2F2018%2F03%2Fyear-smalltalk-chart%2F&title=A%20year%20of%20smalltalk%20in%20a%20chart.&annotation= was not found on this server. That’s all we know.