What do have changed in gaming in the last 2 decades?

A lot has changed in our gaming world in the past two decades. For example, we don't use to spend a lot of money after we've purchased a game since we are sure about using only our skills to progress in the game. It is different nowadays as those who don't spend might end up being outplayed by others who are buying resources in the game. What else would you say have changed in the gaming community in the past 20 years?