The first link says it right in the preview:
The display aims to improve the vergence-accommodation conflict that plagues today’s VR headsets
which is one of the causes of sickness (or eyestrain).
For those that have 1st gen sets, have you noticed a decrease in impact over time, as has been suggested by the industry?
Yeah I thought I grew more accustomed over time as I rarely get queasy at all. Either that or software today is better than it was! :)