Originally Posted by
invisiblehand
Ya wanna back that chart up a few decades... maybe at least back to the '70s... possibly back to the 50s. Almost every change we have discussed had occurred by the early '90s. Although admittedly cellphones did not make major inroads in the US until the early to mid 90s, and text messaging until the late 90s.
But primarily you are only viewing about a decade. That is pretty much less than half a generation. Just for reference, air bags were introduced in autos in 1988... and production of airbags ramped up in 1994, with mandatory airbags put into law in 1998.