add DuckDuckGo to the list of users

diff --git a/docs/index.html b/docs/index.html
index 9b77708..a74d247 100644 (file)
--- a/docs/index.html
+++ b/docs/index.html
@@ -653,6 +653,9 @@ public static native JavaScriptObject drawDygraph(
     <a href="tests/synchronize.html">synchronized charts</a> to display many
     quantities simultaneously.</span></li>
 
+  <li><a href="http://duckduckgo.com/traffic.html">Duck Duck Go Traffic Dashboard</a><br/>
+  <span class="desc">DDG uses dygraphs to display a public chart of their daily traffic. They use annotations and the moving average features.</span></li>
+
     <li><a href="http://toolserver.org/~dartar/moodbar/">Wikimedia Foundation - Moodbar data dashboard</a><br/>
     <span class="desc">dygraphs is used internally at Wikimedia as a handy solution to monitor the
     results of a bunch of small experiments.</span></li>