Do you think that e-commerce has changed how you buy and consume goods (as opposed to how individuals did this twenty or thirty years ago)? Why or why not? Do you think that businesses are more likely to use the internet to advertise and sell goods today than 10 or 15 years ago?

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)

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