Free
Responsive Content stack
With the Responsive Content stack you can easily hide or show specific content based on the screen (browser) width of your visitors. All it takes is a modern browsers with support for CSS3 @Media.
Example
Examples of this stack are available on the this Infinite-R theme demonstration site.User Guide
Using the Responsive Content stack is really simple, have a look at the instructions on the new Support site.Version information
Version 1.0.0, 18 June 2012New: First public release.