First, when was it introduced? Cars from the 40's to mid 50's all featured positive camber and very large steering wheels, I've heard that this is to reduce steering forces, so presumably they didn't have it. Then sometime in the 60-70's-, the steering wheels got smaller and the front wheels transitioned to neutral or negative camber, which roughly correlates with power steering appearing on some road cars. And if it was introduced somewhere around then, has it been present ever since? Or did some teams decide it wasn't necessary? I'm asking mostly because it irks me when people say things like, "look at them go! no power steering, no traction control, no ABS! that's real driving!" despite the fact that all three systems were present at some point in the 80-90's.
Ranting aside, what about the modern systems? I don't recall seeing much about it in the technical regulations, is the equipment standardized across the field to prevent (very dangerous) reliability issues? Do we know if it's electronic or hydraulic? Thanks.