Answer:
my looks mostly. and my height. im only 5 foot :')
General Israel Putnam told his men "Dont fire until you see the whites of there eyes because some of them were too eagar to shoot and he wanted them to shoot at close range so they could hit the enemy. This also saved ammunition and helped them fight better.
Paperless. Since everyone seems to be on the go any more and the majority of our nation is ran off WiFi or just general internet connection it makes it easier on businesses and consumers.