Loads and makes the social sharing functionality functionality available on the current element through addthis.
<div ms-widget="ms.addon.addthis" class="addthis_toolbox"
addthis:url="http://google.com"
addthis:title="Hooray!">
<a class="addthis_button_email"></a>
<a class="addthis_button_facebook"></a>
<a class="addthis_button_google"></a>
</div>