In general, 57 percent of people show their teeth when they smile for photos. But among those who know the PIN to someone else's ATM card, 71 percent show their teeth when they smile for photos.

Based on a survey of 141 people who know the PIN to someone else's ATM card and 386 people total.

In general, 30 percent of people say they are light sleepers. But among those who have step- or half-siblings, 49 percent say they are light sleepers.

Based on a survey of 89 people who have step- or half-siblings and 358 people total.

In general, 17 percent of people would be uncomfortable sharing a water bottle with a close friend. But among those who wear sunglasses regularly, 33 percent would be uncomfortable sharing a water bottle with a close friend.

Based on a survey of 132 people who wear sunglasses regularly and 359 people total.

In general, 26 percent of people are better at remembering movie quotes than movie plots. But among those who dislike thunder, 44 percent are better at remembering movie quotes than movie plots.

Based on a survey of 72 people who don't enjoy thunder and 416 people total.

In general, 39 percent of people like the singer Meatloaf. But among those who have refinanced a mortgage, 60 percent like the singer Meatloaf.

Based on a survey of 101 people who have refinanced a mortgage and 380 people total.

In general, 42 percent of people have ridden a pogo stick. But among those who say they are above-average Jenga players, 61 percent have ridden a pogo stick.

Based on a survey of 109 people who say they are above-average Jenga players and 369 people total.

In general, 29 percent of people have idiosyncratic rules about how they eat their Kit-Kat bar. But among those who get caught staring when people watching, 47 percent have idiosyncratic rules about how they eat their Kit-Kat bar.

Based on a survey of 63 people who get caught staring when people watching and 370 people total.

In general, 46 percent of people like lots of pulp in their orange juice. But among those who prefer indoor pools over outdoor pools, only 32 percent like lots of pulp in their orange juice.

Based on a survey of 137 people who prefer indoor pools over outdoor pools and 346 people total.

In general, 39 percent of people like soggy cereal. But among those who say they're narcissists, 58 percent like soggy cereal.

Based on a survey of 67 people who say they're narcissists and 387 people total.

In general, 36 percent of people prefer hard-shell tacos over soft-shell tacos. But among those who don't like how their ears look, 59 percent prefer hard-shell tacos.

Based on a survey of 55 people who don't like how their ears look and 380 people total.

In general, 67 percent of people know how to tie a necktie. But among those who say they are cover hogs, only 49 percent know how to tie a necktie.

Based on a survey of 118 people who say they are cover hogs and 363 people total.

In general, 48 percent of people prefer volleyball to tennis. But among those who don't have central air conditioning in their home, 63 percent prefer volleyball to tennis.

Based on a survey of 143 people who don't have central air conditioning in their home and 401 people total.

In general, 64 percent of people admit they pee in the shower. But among those who are not fans of actor Neil Patrick Harris, only 41 percent admit they pee in the shower.

Based on a survey of 80 people who are not fans of actor Neil Patrick Harris and 383 people total.

In general, 43 percent of people will catch and release outside, rather than squash, a spider they see crawling across their floor. But among those who have a no-contract cell phone plan, 61 percent will catch and release the spider.

Based on a survey of 94 people who have a no-contract cell phone plan and 358 people total.

In general, 49 percent of people would keep it a secret if they found out they had only six months to live. But among those who are loud keyboard typers, 65 percent would keep it a secret if they found out they had only six months to live.

Based on a survey of 106 people who are loud keyboard typers and 356 people total.

In general, 51 percent of people prefer their potato chips without ridges. But among those who don't generally carry a writing instrument with them, 66 percent prefer their potato chips without ridges.

Based on a survey of 139 people who don't generally carry a writing instrument with them and 379 people total.

In general, 43 percent of people like thunder more than lightning. But among those who say it hasn't been a long time since they've changed their hairstyle, 62 percent like thunder more than lightning.

Based on a survey of 110 people who say it hasn't been a long time since they've changed their hairstyle and 392 people total.

In general, 31 percent of people say their taste in clothing is very eclectic. But among those who have been prescribed an anti-depressant in the past five years, 48 percent say their taste in clothing is very eclectic.

Based on a survey of 92 people who have been prescribed an anti-depressant in the past five years and 425 people total.

In general, 36 percent of people say they own a cassette tape player. But among those who don't like avocado, 60 percent own a cassette tape player.

Based on a survey of 112 people who don't like avocado and 434 people total.

In general, 38 percent of people prefer odd numbers to even numbers. But among those who have used a clothes iron within the past week, 63 percent prefer odd numbers to even numbers.

Based on a survey of 60 people who have used a clothes iron within the past week and 368 people total.