Improvements in building cars over the years?

There are so many it is impossible to list them all here. Major improvements are:

1. Switching from Carburetors to Fuel Injection
2. Switching from drum brakes to disc brakes
3. Catalytic Converter
4. Computer controlled fuel/air management systems
5. Anti-Lock Brakes
6. Air bags
7. Sea/Shoulder belts
8. Rust & corrosion prevention
9. Lighter cars
10. Better radiOS and sound systems
11. Radial Tires
12. Power brakes, steering, Windows, locks, trunk release, etc
13. Electronic ignition
14. Air bags (SRS)
15. Crumple zones
16. Stainless steel exhaust systems
17. Better oil, anti-freeze, filters, and sealed grease fittings