Firefox Experiments I Would Have Liked to Try

Sticky Reader Mode works a bit better than most because of its interface, and it will push you directly into Reader Mode without rendering the normal page. The idea: instead of context menus, page actions, or other interaction points that are part of the “chrome”, implement one overlay interface: the do-something-with-this-page interface. The interface would be an overlay onto the page, similar to what happens when you start Screenshots:

Everything that is now in the Page Action menu (the in the URL bar), or in the context menu, would be available here.

Source: www.ianbicking.org