Steam 

After a lot of hacking behind the scenes, a new initiative to improve KDE's interaction with network and hardware devices has been launched. Solid will provide a robust basis for the dynamic modern desktop in KDE, which needs to be aware of available hardware and networks, paving the way for innovative functionality. Users should see KDE applications taking advantage of Solid in KDE 4, from the most basic Plasma applets and complex applications to desktop-wide awareness. Developers will be able to take advantage of a robust, flexible and portable API and will be integrated into the Plasma engine. It will make use of existing technologies like HAL. Solid will also include a knowledge base providing a way for users to easily provide feedback on incorrect behaviour. Read More