Custom Reading Width Beta is specifically geared towards those that have liquid, or full-width layouts. Jakob Nielson already tells us to use a liquid layout, but users at higher resolutions suffer when it comes to reading text on screen. Custom Reading Width, when implemented on a site, allows a user to select the [...]

"Custom Reading Width Beta" allows users of a particular website to adjust a reading container in order to suit their preferences. In essence, the user can choose the "reading width" of the layout, and also choose whether the behavior of the website is fixed or fluid.
My inspiration behind writing the script Custom Reading Width [...]