The only example of purely efficient structural markup I've seen in
the past few years is this:
http://www.projectseven.com/tutorials/articles/css/div_less/
You want to explain this one?
<*ul>
<*li>
<*p>This page is laid out using heading, paragraph, and list tags. Neither SPANs nor DIVs have been used.</ p>
<*/li>
<*/ul>
You can read more here: http://www-128.ibm.com/developerworks/library/wa-xhtml/
