If Firaxis ever decided to include the Technological Singularity as a Wonder in a downloadable pack, what are all the benefits it should give? We see some future tech in the original build: Fusion + Nanotech, etc., but like on Alpha Centauri, I'd also like to build cities at sea. (We already kinda have cities at sea - Venice, et al.) Then later in the future era, is there anything wrong with cities in the sky? (Cloud City, et al.) How about underground? (New Zion, et al.) Then underwater (New Martim Vaz, et al.) The same repulsorlifts that float Bespin's Cloud City would finally enable the airlifting of ships. (I played Civ II in middle school; upon pressing the "Airlift" button while a battleship was selected, a pop-up said "Ships can't be airlifted, silly.") But there have already been some downloadable expansion packs. What new techs & wonders did they add already? Where can I read more about them?