15 themes/skins available for your browsing pleasure. A variety of looks, 6 AC2 exclusives - Featuring SMACX, Civ6 and Firaxis themes. [new Theme Select Box, bottom right sidebar - works for lurkers, too]
Begin with a function of arbitrary complexity. Feed it values 'sense data'. Then, take your result, square it, and feed it back into your original function, adding a new set of sense data. Continue to feed your results back into the original function ad infinitum. What do you have? The fundamental principle of human consciousness.
~Academician Prokhor Zakharov 'The Feedback Principle'