Google recently announced that the plus one button is getting over 2 million daily views, additionally they have released a YouTube video outlining some of the best practices to help you get the most out of the plus one button.
When installing the plus one button, utilize the callback parameter. This will allow users that +1 an item on your website to go back and purchase, read, or visit any URL you want to target later when they have time. In addition, Google has provided additional parameters that you can use when installing the water the plus one button. You can control how the button looks, what is displayed, what URL should receive the +1, and what function you want to call when someone clicks the +1 button.
To learn more about implementing the plus one button on your website please contact Dave or Chris at RightNow Communications.
Additional Reading: How to use the Google +1 button and parameters.