Periodic Table of the Elements - Josh Duck
Cute illustration of different content types in HTML (though, personally, I would put sectioning content — section, article, nav, aside — into their own group).
Tags: elements
ChangeProposals/KeepNewElements - HTML WG Wiki
An excellently written zero-edit change proposal from Edward O'Connor and others, refuting issues raised by Shelley Powers (I offered to help with this change proposal but I never followed through).
Google Web Elements
Standalone embeddable widgets from Google that you can drop into any web page. The maps widget finally frees the maps API from the tyranny of coupling a domain with an API key.
markup - a photoset on Flickr
This is funny in a very, very geeky way.
Google Code: Web Authoring Statistics
Useful markup statistics from Google, complete with snotty commentary.