After update to v7.0, Simple Tags (http://wordpress.org/plugins/simple-tags/) plugin stop to work
Can you please provide us your website details on which you are facing the issue so that we can further investigate it?
Please note that went ahead and issued a new release (v. 7.0.6)
We have checked again after installing the "Simple Tags" Plugin, but the ShareThis Plugin is properly working and showing-up the Buttons on our site.
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