In June we launched the +1 button for websites, making it easier to recommend content across the web. In July, the +1 button crossed 2 billion daily views, and we also made it a lot faster. Today the +1 button appears on more than a million sites, with over 4 billion daily views, and we’re extremely excited about this momentum.
via Doing more with the +1 button, more than 4 billion times a day – Inside AdWords.
