Revolv lets you easily create video, images and HTML on your website that adapts to whoever is looking at it based on rules you set.
Using our powerful rules, web page content can be targeted to every user or user journey. Just add two lines of code to your page, your content seamlessly loads with no interruption to your users. Set up and start helping visitors find what they're looking for in just 5 minutes.
via BetaList http://bitly.com/1YYgfKo
by Robert Hughey (Google+)