Or you can use your brain and don't see it as a gimmick.Battery power share, so you can extremely inefficiently share power with a friend. Drain your battery 20% to give 5% to a friend! This is one of those impractical gimmicky features Samsung loves to throw into their phones - there always has to be one....
-Charging wireless headphones in their case...
-Helping a friend out with 0% batterylife
-future accessoires
-...
I think these phones are a big leap forward in the smartphone industry. It have been a while since i said this