Merge pull request #214 from w3c/implementations

This provides a short introduction to the implementation section

UX-Guide-Metadata/draft/principles/index.html

@@ -863,8 +863,13 @@ <h3>Localization</h3>
 
 		<section id="implementations">
 			<h3>Implementations</h3>
+<p>These guidelines provide a general framework and makes suggestions on the display of accessibility metadata. It is not a normative description of what must be done. It is instructive to provide examples of implementations  from the community.
+</p>
 
-			<p>TBD</p>
+<p>Linked below are static pages that show real-life implementations. We have captured these examples  from organization's websites that have agreed to allow us to showcase the work they have done to display  accessibility metadata.
+
+
+			<p>Links TBD</p>
 		</section>