Google Plus One

Preview the latest +1 button changes

PLUS2Want to test the latest +1 features? Today we’re introducing a new option for webmasters who want to be the first to know about changes to the +1 button. Enroll in the Google+ Platform Preview, available globally, to test updates before they launch to all users on your site. When you’re logged into the account you’ve enrolled with and you visit a page with the +1 button, you’ll see the latest preview release.

 

http://googlewebmastercentral.blogspot.com/2011/07/preview-latest-1-button-changes.html

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