There is Facebook, Twitter, Digg buttons are available. Most of them use that buttons to improve or share their contents to others. They are called "Blog promoting Tools".Orkut share buttons are also available. However,Orkut is not popular now
1.Log in to your Blog.
2.Go to Design-->Edit HTML.
3.Click "Expand Widget Templates"
Here the codes for Orkut sharing buttons.
<script src='http://www.google.com/jsapi' type='text/javascript'/>
<script type='text/javascript'>
google.load('orkut.share', '1');
google.setOnLoadCallback(function() {
new google.orkut.share.Button({}).draw('orkut-button');
});
</script>
Place this code above </head>
Example:
Then add orkut share button code to below <div class='post-header-line-1'>
or below <div class='post-body entry-content'>
orkut share button code:
<div id='orkut-button'/>
Place this code below <div class='post-header-line-1'> or
<div class='post-body entry-content'>
