In general, 62 percent of people wear glasses or contacts. But among people who have written a fan letter to a celebrity, 78 percent wear glasses or contacts.

Based on a survey of 215 people who have written a fan letter to a celebrity and 1193 people in general.

90 percent of people who prefer to use a search engine other than Google describe themselves as introverts, compared with 68 percent of people in general.

Based on a survey of 53 people whose preferred search engine is not Google and 1556 people in general.

54 percent of people who have been on a cruise are afraid of heights, compared with 41 percent of people in general.

Based on a survey of 334 people who have been on a cruise and 1321 people in general.

In general, 44 percent of people have dyed their hair at some time. But among people who have tried to raise Sea-Monkeys, 63 percent have dyed their hair.

Based on a survey of 326 people who have tried to raise Sea-Monkeys and 1174 people in general.

58 percent of Weird Al Yankovic fans have been involved in scouting, compared with 45 percent of people in general.

Based on a survey of 305 Weird Al Yankovic fans and 547 people in general.

61 percent of people who filter their tap water prefer credit cards over debit cards, compared with 43 percent of people in general.

Based on a survey of 125 people who filter their tap water and 577 people in general.

75 percent of people who have cheated on someone have also smoked marijuana. In general, only 51 percent of people have smoked marijuana.

Based on a survey of 161 people who have cheated on someone and 525 people in general.

In general, 71 percent of people describe themselves as bad dancers. But among people who have never taught a class, 87 percent say they're bad dancers.

Based on a survey of 190 people who have never taught a class and 499 people in general.

33 percent of people who say they're absent-minded have worn braces, compared with 47 percent of people in general.

Based on a survey of 191 absent-minded people and 454 people in general.

33 percent of people who are double-jointed have testified in court, compared with 14 percent of people in general.

Based on a survey of 107 people who are double-jointed and 570 people in general.

65 percent of people who prefer lemons over limes are fiction lovers, compared with 50 percent of people in general.

Based on a survey of 280 people who prefer lemons over limes and 553 people in general.

54 percent of atheists think people on a date should split the costs, compared with 29 percent of people in general.

Based on a survey of 155 atheists and 524 people in general.

In general, 62 percent of people like spicy food. But among those who think flag burning should be illegal, 78 percent like spicy food.

Based on a survey of 103 people who think flag burning should be illegal and 534 people in general.

61 percent of people who have never boycotted a company prefer carbonated beverages, compared with 48 percent of people in general.

Based on a survey of 241 people who have never boycotted a company and 612 people in general.

In general, 35 percent of people are cat lovers. But among people who would rather visit Philadelphia for cheese steaks than for the Liberty Bell, 48 percent are cat lovers.

Based on a survey of 235 people who would rather visit Philadelphia for cheese steaks than for the Liberty Bell and 533 people in general.

83 percent of people who have snuck into a movie without paying know how to tie a necktie, compared with 67 percent of people in general.

Based on a survey of 111 people who have snuck into a movie without paying and 498 people in general.

82 percent of people who call cola "pop" rather than "soda" are fluent in only one language, compared with 61 percent of people in general.

Based on a survey of 197 people who call cola "pop" rather than "soda" and 623 people in general.

Only 35 percent of people with a landline phone have worn braces, compared with 48 percent of people in general.

Based on a survey of 281 people with a landline phone and 551 people in general.

72 percent of people who prefer the aisle seat on a plane have gotten a speeding ticket, compared with 55 percent of people in general.

Based on a survey of 203 people who prefer the aisle seat on a plane and 589 people in general.

64 percent of mushroom haters prefer tea to coffee, compared with 44 percent of people in general.

Based on a survey of 176 people who hate mushrooms and 656 people in general.