<div>
    {% if page.social-share %}
    <nav>
        <!-- Twitter -->Share the <i class="fa fa-heart-o"></i>:&nbsp;&nbsp;
        <a href="https://twitter.com/share" class="twitter-share-button" data-url="{{ site.url }}{{ page.url }}" data-text="{{ page.social-title }}" data-via="{{ site.twitter_username }}" data-hashtags="{{ page.social-tags }}">Tweet</a>
        <script>!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');</script>
    </nav>
    {% endif %}
</div>

<div>
    {% if page.social-share %}
    <nav>
        <!-- Twitter -->Share the <i class="fa fa-heart-o"></i>:&nbsp;&nbsp;
        <a href="https://twitter.com/share" class="twitter-share-button" data-url="{{ site.url }}{{ page.url }}" data-text="{{ page.social-title }}" data-via="{{ site.twitter_username }}" data-hashtags="{{ page.social-tags }}">Tweet</a>
        <script>!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');</script>
        <script type="text/javascript" src="//opensharecount.com/bubble.js"></script>
        <a href="http://leadstories.com/opensharecount" target="_blank" class="osc-counter" data-dir="left" title="Powered by Lead Stories' OpenShareCount">0</a>
    </nav>
    {% endif %}
</div>

Add OpenShareCount counter to twitter button.
Add OpenShareCount counter to twitter button.
