Once upon a time, prosthetic augmentation of a failing sense of hearing took the form of devices the size of a paperback book hung around one's neck and smallish headphones pumping amplified sound into the wearer's ears. As technology progressed and the sizes of components shrank to sub-surface mount form factors (for illustration please note the sizes of the 603 and 402 components) hearing aids shrank in size until they could be custom molded to fit snugly into one's ear canal. All of the benefit with very little of the mass or weight. Hand in hand with the miniaturization …

Just because it's usually the one-half teaspoon that falls off the holder and it's usually the one-half teaspoon that fell off the holder that you grabbed out of the drawer doesnt't mean that it's the one-half teaspoon that you really grabbed. Always look before you use measuring implements.