I loved the observation about a visitor from 1970 to 2016 : wow what a cool thing in your pocket; the internet is amazing; TV's are huge; cars are slightly bett

I loved the observation about a visitor from 1970 to 2016 : wow what a cool thing in your pocket; the internet is amazing; TV's are huge; cars are slightly better; people survive cancer better; you're all much richer. I don't subscribe to the "there's no breakthrough technology vibe" but the difference between 50 years and 100 years of technology seems quite striking (in 1916 there were a handful of military aircraft and telephony was relatively rare). Perhaps the trope about needing three generations of management to fully exploit technology and innovation (rejectionists, adopters but confused, full on believers) is true? 20-25 years per generation?