We’ve all been using mice daily for some time now. They could be compared to shoes: everyone needs them but few really care what they’re using, as long as they’re doing the trick.
I got into mice for real when I started playing StarCraft, then king of real-time strategy games, on a daily basis, a long time ago.
The “real-time” aspect of the game is very important. Time actually is a resource, just like minerals and gas. The faster you think, the faster you act, the more time you have to lead your space army to victory. In the video below, you can see how fast Nada and Moon, two of the best RTS players in the world, are.