What it is though is that the life experiences of generations is speeding up, has been speeding up for about 100 years
A child born today will not experience a lot of the same things a sibling born even 8 to 10 years later.
If you were born in 1500 or 1700, you would have experienced much the same things as the generation before or after you, give or take the effect of war where you lived.
