app/views/shares/_shares.html.erb
<section class="shares-container" role="menu">
<ol class="shares-list">
<% deck.shares.all.each do |share| %>
<%= render :partial => 'shares/share', :locals => { :deck => deck, :share => share } %>
<% end %>
</ol>
<%= form_for [deck, share], :remote => true do |form| %>
<%= form.email_field :email, placeholder: 'email' %>
<%= form.submit 'Share deck' %>
<% end %>
<p>We'll send them a link and cc you.</p>
</section>