Google today announced the official "+1 button" function will be officially launched tomorrow, any website can add this code to get the user’s social recommendation, at the same time, Google Analytics began adding analysis data about the +1 button, to help the site operator to popular statistical information, its function and effect with Retweet and Facebook Like.

 

you can go to the Google Webmaster Central website for registration.

Google+1 button will be launched tomorrow any website can add