Update README.md

soamvasani · Sep 15, 2016 · 640e691 · 640e691
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@@ -8,6 +8,7 @@ It provides
   emails and receive an invite (`https://slack.yourdomain.com`)
 - An `<iframe>` badge to embed on any website
   that shows connected users in *realtime* with socket.io.
+- Google reCaptcha integration to discourage spammers from hitting the invite limit 
 - A SVG badge that works well from static mediums
   (like GitHub README pages)