Eating Cheetos with chopsticks—or eating most any bite-sized snack that way, I would wager, especially those covered in salt or flavor dust—meets the highest standard of tiny hack excellence.

Chopsticks were developed in China some 5,000 years ago. At that time, people cooked their food in large pots and ate with knives. Those in a hurry to eat often used twigs to reach into the pots ...