share url's for facebook, twitter, pinterest with just get variables
http://twitter.com/share?text=<TITLE>&url=<URL>
E.g. http://twitter.com/share?text=This+is+google+a+search+engine&url=https%3A%2F%2Fwww.google.com
http://www.facebook.com/sharer.php?u=<URL>&p[title]=<TITLE>
E.g. http://www.facebook.com/sharer.php?u=https%3A%2F%2Fwww.google.com%[title]=This+Is%2C+Google+a+search+engine
http://pinterest.com/pin/create/button/?url=<URL>&description=<TITLE>
E.g http://pinterest.com/pin/create/button/?url=https%3A%2F%2Fwww.google.com&description=This+is+google+a+search+engine
<ul>
<li class="share-text">Share this>/li>
<li class="share-tw"><a href="http://twitter.com/share?text=[title]"><span></span></a></li>
<li class="share-fb"><a href="http://www.facebook.com/sharer.php?u=/node/[nid]&p=[title]"><span></span></a></li>
<li class="share-pinterest"><a href="http://pinterest.com/pin/create/button/?url=/node/[nid]&description=[title]"><span></span></a></li>
</ul>