Cancel; verb: Decide or announce that (an arranged or planned event) will not take place; annul or revoke; abolish or make void; noun: A mark made on a postage stamp to show that it has been used.
Elastic; adjective: (Of an object or material) able to resume its normal shape spontaneously after contraction, dilatation, or distortion; able to encompass variety and change; flexible and adaptable; noun: Cord, tape, or fabric, typically woven with strips of rubber, that returns to its original length or shape after being stretched.
Labor; noun: Work, especially hard physical work; such workers considered as a social class or political force; the process of childbirth; verb: Work hard, make great effort; work at an unskilled manual occupation.
As they cancel the old usage of one program
The labor to to learn a new one comes along
With each new lesson learned
The elastic of usage will return
Do you learn new changes quickly?