Should I use the same AddThis tag on multiple sites?
        Posted  
        
            by 
                ripper234
            
        on Pro Webmasters
        
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        Published on 2011-12-31T08:21:35Z
        Indexed on 
            2012/06/11
            22:47 UTC
        
        
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addthis
I have an AddThis for one site:
<script type="text/javascript"
 src="http://s7.addthis.com/js/250/addthis_widget.js#pubid=ripper234">
</script>
Now I logged into AddThis and wanted to get my tag again, I saw it changed:
<script type="text/javascript" 
 src="http://s7.addthis.com/js/300/addthis_widget.js#pubid=ripper234">
</script>
Should I use the same tag I got before, or the new tag? What's the difference? Is 250/300 the internal version number?
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