All we could do was laugh when we discovered on of the Samsung Galaxy S5's amazing features the "One-Handed Operation". Emphasis in Pogues review by us.
from David Pogue:
The 5.1-inch screen is too big to operate with the hand that’s holding it, unless your thumb can stretch like Mrs. Incredible’s. But Samsung has a clever, if weird, fix for this: Among the Galaxy’s 732,852 features is one called “One-Handed Operation,” whose function is to shrink the screen so that you can reach all of it with your thumb. It leaves empty black areas around the shrunken image. Clever! But if you wanted a smaller screen, why would you have bought a big phone?)