Google +1 Button for websites like facebook

Today morning(i.e. 2/june/2011) when i opened my adsense account i found one notice about Google +1 Button saying like

Add the +1 button to your pagesAdding the +1 button to your pages allows users to recommend your content to friends and contacts on Google search. As a result, you could get more and better qualified traffic.

Here is the screen shot of image what is see

Google +1 Button

Let us see how to use this +1 Button in your website

Step 1:

place the below code above body closing tag

<!-- Place this tag in your head or just before your close body tag -->
<script type="text/javascript" src="http://apis.google.com/js/plusone.js"></script>

Step 2:

place the below code where you want to place in your website

<!-- Place this tag where you want the +1 button to render -->
<g:plusone></g:plusone>

you can found more info here