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 <aside class="banner--ninenine ninenine">
-    <a href="https://2017.9984.io">
+    <a href="https://2017.9984.io/?utm_source=banner_bigchaindb.com&utm_medium=banner&utm_campaign=9984_banner">
         <div class="row row--wide">
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                 <h1 class="ninenine__title">9984 <em class="divider--9984">>></em> SUMMIT <span class="ninenine__tagline"><em class="divider--slashes">//</em> Blockchain Futures for Developers, Enterprises &amp; Society</span></h1>