Universal Access Settings
The goal of the Universal Access settings is to provide a reasonable set of alternate behaviors and appearances for people who have trouble seeing, hearing, or touching the system through the usual means.
Old Mockup: uap.ui
Mockup idea by Christian Giordano: http://ubuntuone.com/3VFTKAVMC6X2oFcQ0m5Odk (change of layout to create a clearer connection between the switches and the section header)
BBC Accessibility website (with instructions for enablement on Windows and MacOS as well)