"Google +1 Button" is extension that adds +1 button to navigation bar and provides an easy way to recommend current page using Google +1 feature.
Adding +1 for website that does not contain +1 on page will cause opening "Share on Google+" dialog, but if you want to avoid it please turn off this feature in the Options.
You can manage your +1’s in a new tab on your Google profile (https://profiles.google.com).
Please read Privacy Policy
See also http://www.google.com/+1/button/
In addition to the practices described in the Google +1 Button Privacy Policy, by installing this extension, all of the pages and URLs you visit will be sent to Google in order to retrieve +1 information. Examples of this information include whether you’ve previously +1’d the page and how many people have already +1’d the page. Google’s use of this information is described further in the following help center article (http://www.google.com/support/profiles/bin/answer.py?hl=en&answer=1319578).
Also, you can download this add-on for Internet Explorer from our website googleplusone.pretty-tools.com.