diff --git a/public/main.js b/public/main.js
new file mode 100644
index 0000000..89766fe
--- /dev/null
+++ b/public/main.js
@@ -0,0 +1,14 @@
+function initTwitterButton() {
+  !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');
+}
+
+jQuery(document).ready(function($) {
+  initTwitterButton();
+  $('.proposals').on('mouseenter', '.proposal', function() {
+      twttr.widgets.load();
+      $('.proposal .social').hide();
+      $(this).find('.social').show("fast");
+    }).on('mouseleave', '.proposal', function() {
+      $(this).find('.social').hide("fast");
+  });
+});
diff --git a/views/content_viewer/_proposal_card.html.erb b/views/content_viewer/_proposal_card.html.erb
index 4e237f2..d1c287d 100644
--- a/views/content_viewer/_proposal_card.html.erb
+++ b/views/content_viewer/_proposal_card.html.erb
@@ -4,6 +4,9 @@
     <div class="title">
       <%= link_to proposal_card.name, proposal_card.view_url %>
     </div>
+    <div class="social">
+      <%= render :partial => 'content_viewer/social', :locals => {:proposal => proposal_card} %>
+    </div>
     <div class="abstract">
       <%= link_to strip_tags(proposal_card.abstract), proposal_card.view_url %>
     </div>
diff --git a/views/content_viewer/_proposals_list.html.erb b/views/content_viewer/_proposals_list.html.erb
index 1b9c9d9..a205275 100644
--- a/views/content_viewer/_proposals_list.html.erb
+++ b/views/content_viewer/_proposals_list.html.erb
@@ -1,4 +1,6 @@
 <script src="/javascripts/plugins/proposals_discussion/jquery.jscroll.min.js" type="text/javascript"></script>
+<%= javascript_include_tag 'plugins/proposals_discussion/main.js' %>
+
 <script>
   jQuery(document).ready(function($) {
     function proposalsScroll() {
diff --git a/views/content_viewer/_social.html.erb b/views/content_viewer/_social.html.erb
new file mode 100644
index 0000000..b5914da
--- /dev/null
+++ b/views/content_viewer/_social.html.erb
@@ -0,0 +1,3 @@
+<% if proposal.published? %>
+  <a href="https://twitter.com/share" class="twitter-share-button" data-url="<%= url_for proposal.view_url %>" data-text="<%= proposal.title %>" data-count="none"></a>
+<% end %>
--
libgit2 0.21.2