  <button class="btn btn--circle btn--mq-graywhite" {{action 'popupShareWindow' 'Facebook'}} title="Share on Facebook">
    <i class="fa fa-facebook"></i>
    <span class="for-screenreaders">Share on Facebook</span>
  </button>
  <button class="btn btn--circle btn--mq-graywhite" {{action 'popupShareWindow' 'Twitter'}} title="Share on Twitter">
    <i class="fa fa-twitter"></i>
    <span class="for-screenreaders">Share on Twitter</span>
  </button>
  <a href="mailto:?subject={{url-encode story.title}}&body={{story.url}}" class="btn btn--circle btn--mq-graywhite" data-category="SharedE" id="shareEmail" title="Email a Friend" target="_blank">
    <i class="fa fa-envelope"></i>
    <span class="for-screenreaders">Email a Friend</span>
  </a>

  <button class="btn btn--circle btn--mq-graywhite" {{action 'popupShareWindow' 'Facebook'}} title="Share on Facebook" data-action="Facebook">
    <i class="fa fa-facebook"></i>
    <span class="for-screenreaders">Share on Facebook</span>
  </button>
  <button class="btn btn--circle btn--mq-graywhite" {{action 'popupShareWindow' 'Twitter'}} title="Share on Twitter" data-action="Twitter">
    <i class="fa fa-twitter"></i>
    <span class="for-screenreaders">Share on Twitter</span>
  </button>
  <a href="mailto:?subject={{url-encode story.title}}&body={{story.url}}" class="btn btn--circle btn--mq-graywhite" data-category="SharedE" id="shareEmail" title="Email a Friend" target="_blank" data-action="Email">
    <i class="fa fa-envelope"></i>
    <span class="for-screenreaders">Email a Friend</span>
  </a>

Add data-action properties to share buttons to track sharing platforms
Add data-action properties to share buttons to track sharing platforms
