Responsive-Design Intranets with Apt Content Prioritization
Nielsen Norman Group take a look at two award winning intranets and how they used responsive design to improve usability across mobile and tablet devices.
Apart from the backing of different navigation menus across different viewports, which I disagree with, the rest of the article has sound advice.
Summary: See how two winning intranets—triptic and Abt Associates—use responsive design, prioritize their content aptly, and employ elegant navigation to accommodate and optimize for multiple devices.
An excerpt from Responsive-Design Intranets with Apt Content Prioritization