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"Although Google's had its +1 button all over the web for some time now, helping folks show their allegiance to things they like, it's lacked a dedicated button just for sharing content. That's now changed, as the Google+ development team recently let loose the Share button. The button is similar in appearance to its +1 sibling, but rather than just being a shortcut for quickly slapping content with a virtual high-five, it gives you a way to easily share pages on your Google+ profile. (Yes, you could share through the +1 button, too, but consider this one a bit more focused). Best of all, the Google+ Share button is ready to roll, so move your cursor to the source link below if you'd like to put it on your site or find out more. Happy Liking Sharing!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2012/04/25/google-plus-share-button-launched/?ncid=rss_semi>