Sure. Say you have 40k respondents in a survey who were each asked if they use toothpaste X (yes/no). Save all answers in 5k bytes, then map to any particular r

Sure. Say you have 40k respondents in a survey who were each asked if they use toothpaste X (yes/no). Save all answers in 5k bytes, then map to any particular respondents answer by shifting right by 3 and checking remainder. Then test the bit you indexed to using the remainder. All fast operations.