We’re Not Sure Why These 43 Useful Inventions Aren’t More Common

Taking out cash from an ATM is always a little uncomfortable. You’re standing there in the middle of the street handling your money, and who’s to say the person behind you isn’t looking over your shoulder?

That’s why this invention is so brilliant, and we’re honestly a little surprised we’re only hearing of this now. The numbers on this electronic keypad change after every use, so the person in line after you can’t try to guess your PIN. This should really be standard at any ATM.