The special fare systems on the airlines' computers encourage more people to fly on lesspopular flights, and this means that as a result all flights are equally full.
It is still going today but has become lesspopular in recent times.
它今天仍然在流行，但在最近变得不那么流行了。
3
The immediate effect of printing was to increase the circulation of works that were already popular in a handwritten form, while lesspopular works went out of circulation.