canbus, distributed processors >>>>>>>>>>>> individual wires
Having 3 wires going into the drivers' door (power, ground, single wire CAN) is just beautiful.
The power windows, power mirrors, tailgate and fuel tank release switches and all that get sensed in the door, and the locks and windows and power mirrors and heated mirrors and shit all get driven in the door... instead of the old method of having a great big bundle of 30 fucking wires going into the door that bends and rubs against itself and shorts together so the car blows fuses or phantom rolls down the window and other bullshit.