A few weeks back Google pushed its +1 button live across the web. The Google +1 setup tool is very easy to use to generate the code needed.

Their generated code will look something similar to this
{code type=codetype}<script type=”text/javascript” src=”http://apis.google.com/js/plusone.js”></script>{/code}
The first step in adding the Google +1 Button to your website is to place that code above your closing body tag in your themes footer.php file.
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