What is Website Optimizer?
Website Optimizer is a tool that can help you improve the effectiveness of your website in getting a return on your investment. By allowing you to test different versions of your site content, you can determine what will best attract users and lead them to convert on your site.
although the demo url on the page is not working right now, you can check it here [services.google.com...]
Right now, it's part of analytics and interesting software. It's still in beta. I've seen several demos/uses and it has quite a bit of potential.
