The new Google +1 is now past the rumor stage, but the the voting button is not yet available for your web site.
If you want to add the Google +1 button you will need to request it here and you will be notified when it is available for your site.
If you would like to learn more The Next Web previously covered How To: Enable Google +1 button which gives you a step-by-step guide to getting it up and going. Additionally TNW went into What Google’s +1 means for advertisers and why it should be considered.
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