Add link to JSON-LD Update presentation to be given at W3C WoT F2F in Santa Clara.

Author: gkellogg

learn.html

@@ -115,6 +115,7 @@ <h1>Presentations</h1>
           <li><a href="http://www.slideshare.net/gkellogg1/json-for-linked-data">JSON-LD: JSON for Linked Data</a> by Gregg Kellogg, Semantic Technology &amp; Business Conference (SemTechBiz SF 2012), San Francisco, CA, USA.</li>
           <li><a href="http://slidesha.re/jsonld4rest">JSON-LD for RESTful Services</a> by Markus Lanthaler, World Wide Web Conference (WWW2012), Lyon, France.</li>
           <li><a href="http://www.slideshare.net/gkellogg1/jsonld-and-mongodb">JSON-LD and MongoDB</a> by Gregg Kellogg, NoSQL Now! 2012, San Jose, CA, USA.</li>
+          <li><a href="http://www.slideshare.net/gkellogg1/jsonld-update">JSON-LD Update</a> by Gregg Kellogg, Web of Things F2F, February 2017, Santa Clara, CA, USA.</li>
         </ul>
         <h1>Blog Posts</h1>
         <ul>