Improvements in building cars over the years?

Improvements in building cars over the years?
There are so many it is impossible to list them all here. Major improvements are:Switching from Carburetors to Fuel Injection Switching from drum brakes to disc brakesCatalytic ConverterComputer controlled fuel/air management systemsAnti-Lock BrakesAir bagsSea/Shoulder beltsRust & corrosion preventionLighter carsBetter radios and sound systemsRadial TiresPower brakes, steering, windows, locks, trunk release, etcElectronic ignitionAir bags (SRS)Crumple zones Stainless steel exhaust systemsBetter oil, anti-freeze, filters, and sealed grease fittings