Adding mixpanel credit.

Paul Nathan · Paul Nathan · commit 890b7464d6ae · 2013-09-13T21:24:21.000-07:00
diff --git a/who.md b/who.md
@@ -20,6 +20,6 @@ Happy hacking!
 
 *Credit*
 
-* Analytics by [Quantcast](https://www.quantcast.com/)
+* Analytics by [Quantcast](https://www.quantcast.com/), [MixPanel](http://mixpanel.com)
 
 * Theme by [Twitter Bootstrap](http://twitter.github.com/bootstrap/)
